more_o ready_o to_o its_o motion_n upward_o be_v less_o compact_a above_o then_o below_o i_o shall_v produce_v two_o or_o three_o instance_n which_o prove_v that_o if_o it_o have_v but_o less_o liberty_n to_o ascend_v by_o the_o opposition_n of_o some_o other_o body_n then_o to_o descend_v it_o will_v as_o natural_o fly_v downward_o as_o it_o do_v now_o upward_o when_o it_o be_v otherwise_o and_o i_o shall_v also_o prove_v that_o if_o it_o have_v but_o a_o equal_a resistance_n on_o each_o side_n it_o will_v expand_v orbicular_o and_o first_o that_o if_o flame_n have_v but_o a_o equal_a resistance_n from_o ambient_fw-la body_n on_o each_o side_n it_o will_v expand_v orbicular_o will_v be_v prove_v by_o this_o experiment_n viz._n fill_v a_o hollow_a globe_n with_o gunpowder_n one_o side_n of_o which_o be_v a_o little_o thin_a than_o the_o other_o and_o whatever_o way_n that_o thin_a side_n be_v turn_v whether_o down_o upward_o or_o horizon-ward_n the_o gunpowder_n will_v expand_v and_o break_v out_o that_o way_n second_o to_o prove_v that_o if_o there_o be_v but_o more_o liberty_n for_o the_o descent_n than_o ascent_n of_o it_o fleame_z will_v natural_o fly_v downward_o we_o need_v but_o shoot_v a_o gun_n off_o with_o the_o mouth_n downward_o for_o the_o explauded_a gunpowder_n find_v a_o open_a and_o easy_a passage_n downward_o and_o be_v resist_v upward_o and_o on_o each_o side_n it_o natural_o descend_v but_o some_o perhaps_o that_o do_v not_o thorough_o understand_v why_o a_o thing_n be_v say_v natural_o to_o ascend_v or_o descend_v may_v be_v unwilling_a to_o believe_v that_o when_o a_o gun_n be_v shoot_v downward_o the_o motion_n of_o the_o flame_n be_v a_o natural_a motion_n but_o may_v rather_o think_v it_o preternatural_a but_o that_o it_o may_v appear_v that_o it_o be_v as_o true_o a_o naral_a motion_n in_o philosophy_n philosophy_n as_o the_o ascend_a motion_n of_o it_o i_o shall_v consider_v why_o flame_n may_v be_v say_v natural_o to_o ascend_v fleame_z then_o be_v say_v natural_o to_o ascend_v because_o it_o be_v the_o nature_n of_o it_o for_o the_o most_o part_n to_o do_v so_o which_o be_v as_o much_o as_o to_o say_v the_o nature_n of_o flame_n incline_v it_o to_o ascend_v how_o the_o nature_n of_o it_o incline_v it_o to_o ascend_v i_o have_v already_o show_v and_o that_o there_o be_v the_o same_o reason_n why_o the_o descend_a motion_n shall_v be_v term_v natural_a will_v easy_o be_v prove_v for_o as_o it_o be_v natural_a for_o it_o to_o ascend_v as_o long_o as_o it_o have_v only_o the_o air_n to_o oppose_v its_o motion_n so_o it_o be_v its_o nature_n to_o descend_v when_o the_o order_n of_o opposition_n be_v change_v and_o the_o latter_a be_v as_o much_o a_o natural_a motion_n as_o the_o former_a all_o that_o diversify_v the_o tendency_n of_o flame_n be_v those_o accidental_a circumstance_n which_o be_v about_o it_o and_o as_o a_o ball_n cast_v against_o the_o bottom_n of_o a_o room_n rebound_v upward_o and_o when_o it_o be_v throw_v against_o the_o top_n of_o it_o as_o natural_o fly_v down_o so_o flame_n be_v in_o a_o brisk_a motion_n natural_o fly_v up_o or_o down_o as_o the_o part_n of_o matter_n it_o strike_v against_o resist_v it_o and_o cause_v it_o to_o fly_v back_o from_o they_o have_v make_v this_o short_a digression_n i_o shall_v proceed_v next_o to_o examine_v examine_v diemerbroek_n opinion_n who_o think_v that_o the_o vital_a spirit_n by_o reason_n of_o its_o volatility_n always_o endeavour_v to_o fly_v away_o do_v continual_o agitate_v those_o grosser_n particle_n of_o the_o blood_n with_o which_o it_o be_v entangle_v and_o detain_v from_o flight_n and_o be_v diverse_o vibrate_v and_o beat_v back_o and_o so_o the_o whole_a mass_n be_v keep_v in_o a_o continual_a fermentative_a motion_n there_o be_v a_o heat_n produce_v in_o it_o which_o in_o a_o great_a agitation_n be_v great_a etc._n etc._n and_o so_o differ_v according_a to_o the_o different_a degree_n of_o agitation_n all_o that_o i_o shall_v or_o need_v to_o take_v notice_n of_o here_o be_v that_o that_o agitation_n of_o particle_n which_o he_o say_v cause_v the_o heat_n of_o the_o blood_n rather_o produce_v a_o sensation_n of_o heat_n by_o affect_v our_o sense_n in_o their_o motion_n than_o produce_v that_o which_o we_o call_v heat_n in_o the_o blood_n but_o to_o know_v the_o true_a reason_n of_o the_o heat_n of_o the_o blood_n we_o must_v understand_v how_o those_o particle_n be_v put_v into_o motion_n which_o by_o affect_v our_o sensory_a cause_n such_o a_o sensation_n so_o that_o he_o seem_v to_o i_o to_o say_v no_o more_o then_o that_o that_o which_o have_v a_o power_n to_o cause_n heat_n be_v the_o cause_n of_o that_o power_n when_o he_o ought_v in_o order_n to_o explain_v the_o heat_n of_o the_o blood_n to_o have_v show_v from_o whence_o that_o power_n proceed_v the_o reason_n of_o which_o i_o shall_v have_v take_v in_o some_o measure_n for_o the_o reason_n of_o the_o heat_n potential_o in_o the_o mass_n of_o blood_n but_o from_o what_o he_o have_v say_v it_o appear_v that_o he_o have_v not_o explain_v the_o true_a reason_n of_o the_o heat_n of_o the_o blood_n so_o plain_o that_o i_o need_v say_v no_o more_o against_o it_o dr._n henshaw_n think_v that_o the_o dissimilitude_n betwixt_o the_o chyle_n consider_v and_o blood_n be_v so_o great_a that_o it_o become_v immediate_o the_o cause_n of_o a_o extraordinary_a ebullition_n upon_o their_o mixture_n together_o which_o be_v very_o much_o increase_v by_o the_o reciprocal_a motion_n of_o the_o lung_n whereby_o the_o blood_n be_v wrought_v into_o a_o froth_n by_o that_o time_n it_o get_v into_o the_o left_a ventricle_n of_o the_o heart_n which_o sudden_a excess_n of_o heat_n he_o think_v not_o unlike_o what_o happen_v upon_o the_o mix_n of_o several_a chemical_a liquor_n together_o for_o the_o heat_n often_o become_v so_o great_a that_o they_o often_o endanger_v the_o vessel_n that_o contain_v they_o but_o he_o may_v as_o well_o have_v say_v that_o there_o be_v so_o great_a a_o dissimilitude_n betwixt_o hot_a blood_n and_o cold_a milk_n that_o as_o soon_o as_o the_o milk_n be_v mix_v with_o it_o it_o will_v cause_v a_o extraordiary_a ebullition_n and_o that_o by_o expose_v they_o to_o the_o air_n &_o run_v they_o through_o pipe_n the_o heat_n will_v increase_v but_o this_o be_v so_o plain_o false_a that_o it_o need_v no_o other_o argument_n but_o reflection_n to_o convince_v the_o weak_a reason_n and_o he_o may_v equal_o as_o well_o conclude_v that_o water_n will_v kindle_v a_o fire_n and_o increase_v the_o flame_n of_o it_o because_o oil_n will_v as_o that_o chyle_n will_v put_v the_o blood_n into_o a_o heat_n because_o oil_n of_o turpentine_n and_o spirit_n of_o wine_n will_v grow_v hot_a when_o mix_v together_o but_o the_o conclusion_n be_v manifest_o absurd_a i_o shall_v in_o the_o next_o place_n endeavour_v to_o show_v the_o reason_n of_o the_o heat_n of_o the_o blood_n as_o evident_o as_o possible_o i_o can_v from_o what_o i_o have_v already_o say_v in_o answer_n to_o dr._n willis_n opinion_n it_o sufficient_o appear_v that_o whether_o we_o say_v the_o blood_n grow_v hot_a per_fw-la admotum_fw-la calidi_fw-la accension_n or_o any_o other_o way_n it_o be_v no_o more_o than_o to_o express_v the_o same_o thing_n several_a way_n or_o to_o make_v word_n different_a in_o sound_n to_o express_v one_o and_o the_o same_o thing_n but_o as_o all_o that_o have_v write_v on_o this_o subject_a have_v make_v choice_n of_o a_o opinion_n different_a name_n to_o signify_v the_o heat_n of_o the_o blood_n by_o whilst_o some_o will_v have_v it_o do_v by_o accension_n other_o by_o attrition_n etc._n etc._n so_o they_o have_v by_o that_o mean_n rather_o dispute_v about_o name_n and_o word_n than_o any_o real_a and_o fundamental_a difference_n in_o their_o opinion_n i_o shall_v not_o here_o enter_v into_o a_o dispute_n whether_o the_o blood_n when_o it_o become_v hot_a may_v most_o proper_o be_v say_v to_o grow_v hot_a or_o its_o heat_n express_v by_o any_o one_o of_o those_o title_n they_o have_v be_v please_v to_o signify_v it_o by_o for_o as_o in_o discourse_v about_o the_o constituent_a part_n of_o a_o man_n it_o be_v not_o necessary_a to_o fix_v any_o name_n upon_o that_o man_n but_o whether_o it_o be_v thomas_n robert_n or_o william_n the_o constituent_a part_n of_o he_o if_o he_o be_v a_o perfect_a man_n will_v still_o be_v the_o same_o so_o in_o discourse_v concern_v the_o heat_n of_o the_o blood_n and_o consider_v the_o principal_a cause_n or_o agent_n and_o the_o more_o remote_a and_o accessary_a cause_n it_o be_v no_o matter_n at_o all_o whether_o the_o consequence_n of_o these_o cause_n be_v signify_v by_o the_o word_n accension_n attrition_n or_o fermentation_n because_o the_o difference_n of_o the_o
any_o thing_n as_o one_o that_o be_v in_o a_o fit_a of_o the_o epilepsy_n but_o our_o body_n be_v accustom_v to_o it_o and_o it_o be_v make_v agreeable_a and_o consistent_a with_o circulation_n of_o the_o blood_n become_v less_o troublesome_a when_o we_o have_v occasion_n for_o extraordinary_a respiration_n for_o these_o reason_n it_o be_v plain_a why_o the_o lung_n ought_v to_o be_v in_o a_o continual_a reciprocal_a motion_n the_o first_o of_o which_o be_v self-evident_a and_o needs_o no_o further_a proof_n and_o the_o second_o be_v sufficient_o evince_v by_o the_o consequence_n that_o follow_v when_o this_o lympha_fw-la be_v not_o evacuate_v when_o it_o be_v too_o thick_a or_o too_o much_o in_o quantity_n or_o on_o the_o other_o people_n side_n the_o air_n which_o we_o breath_n be_v too_o thick_a and_o moist_a and_o it_o be_v not_o due_o carry_v off_o there_o follow_v obstruction_n of_o the_o duct_n of_o the_o trachea_n from_o whence_o proceed_v symptom_n of_o a_o asthma_n orthopnaea_n and_o duspnaea_n some_o sort_n of_o phthisicks_n and_o a_o great_a many_o more_o dangerous_a symptom_n for_o when_o it_o be_v too_o thick_a it_o stick_v fast_o to_o the_o coat_n of_o the_o lung_n and_o not_o be_v easy_o enough_o mix_v and_o incorporate_v with_o the_o air_n the_o quantity_n of_o it_o increase_v till_o it_o stuff_v up_o the_o cavity_n of_o the_o lung_n and_o when_o it_o be_v too_o much_o in_o quantity_n though_o it_o be_v thin_a enough_o yet_o the_o air_n be_v not_o able_a to_o carry_v it_o off_o fast_o enough_o it_o run_v down_o the_o side_n of_o those_o tender_a vessel_n and_o by_o a_o gentle_a irritation_n raise_v a_o tickle_a cough_n last_o when_o the_o humour_n that_o moisten_v the_o lung_n be_v almost_o natural_a as_o to_o quality_n and_o quantity_n yet_o if_o the_o air_n be_v thick_a and_o moist_a it_o be_v so_o much_o impregnate_v with_o its_o own_o moisture_n be_v incapable_a of_o carry_v off_o the_o moisture_n supply_v by_o the_o serum_n of_o the_o blood_n whence_o people_n that_o be_v incline_v to_o obstruction_n of_o their_o lung_n in_o foggy_a and_o moist_a air_n find_v they_o more_o oppress_v that_o moisture_n which_o ought_v to_o be_v carry_v off_o be_v leave_v behind_o but_o if_o we_o consider_v further_o the_o use_n of_o the_o lung_n with_o respect_n to_o body_n the_o body_n we_o shall_v find_v other_o reason_n not_o only_o why_o it_o shall_v be_v in_o a_o constant_a motion_n but_o also_o we_o may_v understand_v why_o we_o can_v live_v without_o a_o continual_a and_o free_a circulation_n for_o in_o respect_n of_o the_o body_n the_o lung_n seem_v in_o some_o measure_n heart_n to_o perform_v the_o office_n of_o another_o heart_n and_o as_o the_o left_a ventricle_n of_o the_o heart_n contract_v send_v out_o the_o blood_n into_o all_o the_o part_n of_o the_o body_n by_o the_o ramification_n of_o the_o sanguiferous_a vessel_n so_o the_o lung_n contract_v force_v the_o blood_n contain_v in_o the_o sanguiferous_a vessel_n which_o be_v distribute_v through_o their_o lobe_n into_o the_o left_a ventricle_n of_o the_o heart_n and_o the_o left_a ventricle_n be_v by_o that_o mean_n more_o vigorous_o dilate_v and_o more_o plentiful_o fill_v with_o blood_n a_o large_a quantity_n of_o it_o be_v force_v out_o into_o the_o aorta_n and_o consequent_o the_o blood_n in_o the_o branch_n of_o the_o aorta_n be_v more_o copious_o press_v by_o subsequent_a matter_n into_o the_o root_n of_o the_o vena_fw-la cava_fw-la and_o so_o forward_o into_o the_o right_a ventricle_n of_o the_o heart_n so_o that_o by_o the_o help_n of_o the_o lung_n the_o dilation_n of_o the_o left_a ventricle_n of_o the_o heart_n be_v immediate_o and_o the_o dilation_n of_o the_o right_a mediate_o promote_v that_o the_o lung_n thus_o promote_v the_o dilation_n of_o the_o ventricles_n of_o the_o heart_n it_o be_v very_o reasonable_a to_o believe_v not_o only_o because_o it_o be_v self-evident_a but_o because_o otherwise_o it_o will_v be_v very_o hard_a to_o conceive_v since_o the_o motion_n of_o the_o heart_n be_v only_a contraction_n and_o the_o dilation_n of_o its_o ventricles_n only_o a_o cessation_n from_o that_o motion_n how_o the_o blood_n be_v force_v into_o they_o with_o vigour_n enough_o to_o distend_v their_o cavity_n for_o there_o be_v so_o little_a reason_n to_o expect_v that_o they_o shall_v dilate_v of_o their_o own_o accord_n that_o we_o shall_v rather_o believe_v they_o will_v be_v continual_o contract_v since_o all_o the_o weight_n of_o blood_n contain_v in_o the_o whole_a sanguiferous_a vessel_n of_o the_o lung_n can_v not_o possible_o dilate_v they_o without_o some_o other_o force_n to_o help_v it_o for_o the_o substance_n of_o the_o heart_n be_v contract_v and_o the_o cavity_n of_o the_o left_a ventricle_n so_o considerable_o diminish_v so_o small_a a_o portion_n of_o blood_n as_o have_v liberty_n to_o press_v against_o its_o orifice_n will_v make_v but_o a_o weak_a pressure_n and_o much_o too_o small_a to_o dilate_v the_o ventricle_n in_o so_o little_a time_n as_o intervene_v the_o successive_a contraction_n beside_o the_o heart_n have_v no_o tendency_n at_o all_o to_o dilate_v itself_o since_o that_o will_v make_v it_o unapt_a to_o yield_v to_o contraction_n we_o must_v suppose_v that_o a_o part_n of_o such_o substance_n can_v easy_o be_v dilate_v but_o will_v require_v some_o force_n great_a than_o can_v be_v supply_v by_o a_o inconsiderable_a pressure_n of_o blood_n faint_o intrude_v by_o almost_o nothing_o at_o all_o but_o the_o lung_n be_v almost_o in_o a_o continual_a contraction_n in_o respect_n of_o the_o sanguiferous_a vessel_n and_o consequent_o squeeze_v out_o the_o blood_n contain_v in_o they_o help_v to_o dilate_v and_o extend_v the_o left_a cavity_n of_o the_o heart_n and_o consequent_o the_o right_n that_o the_o dilation_n of_o the_o ventricles_n of_o the_o heart_n be_v only_o a_o contraction_n resolution_n or_o cessation_n from_o contraction_n be_v allow_v and_o agree_v upon_o to_o prove_v then_o that_o the_o venal_a blood_n can_v return_v with_o force_n sufficient_a to_o dilate_v the_o right_a ventricle_n of_o the_o heart_n nor_o be_v sufficient_o able_a due_o to_o extend_v the_o left_a in_o order_n to_o the_o next_o contraction_n by_o that_o force_n it_o receive_v from_o and_o be_v put_v into_o by_o the_o former_a contraction_n but_o be_v assist_v by_o the_o lung_n we_o may_v easy_o perceive_v for_o not_o only_o the_o blood_n in_o its_o vessel_n but_o even_o any_o liquor_n be_v force_v through_o pipe_n who_o cavity_n increase_v the_o further_o they_o run_v from_o their_o narrow_a and_o small_a original_a always_o move_v with_o less_o force_n the_o far_o it_o go_v so_o that_o although_o in_o every_o systole_n the_o blood_n shall_v be_v force_v forward_o from_o the_o left_a ventricle_n by_o a_o successive_a pressure_n of_o subsequent_a matter_n and_o the_o motion_n shall_v be_v strong_a enough_o to_o make_v it_o circulate_v brisk_o through_o the_o narrow_a and_o capillary_a twig_n of_o the_o artery_n yet_o when_o it_o come_v into_o the_o vein_n it_o will_v move_v much_o more_o slow_a and_o by_o that_o time_n it_o come_v to_o the_o heart_n again_o will_v want_v force_n sufficient_a to_o dilate_v the_o right_a ventricle_n and_o the_o right_a ventricle_n be_v not_o due_o dilate_v so_o little_a blood_n will_v be_v squeeze_v into_o the_o lung_n that_o the_o left_a will_v want_v a_o supply_n of_o blood_n to_o dilate_v it_o and_o consequent_o the_o pressure_n of_o blood_n through_o the_o aorta_fw-mi and_o vena_fw-la cava_fw-la will_v be_v so_o weak_a that_o the_o next_o dilation_n of_o the_o right_a ventricle_n will_v be_v weak_a than_o the_o former_a and_o so_o circulation_n will_v gradual_o decrease_v but_o that_o weak_a motion_n of_o the_o blood_n into_o the_o right_a ventricle_n be_v increase_v by_o the_o force_n of_o subsequent_a matter_n from_o the_o left_a the_o motion_n of_o the_o blood_n into_o the_o lung_n be_v consequent_o more_o plentiful_a and_o as_o it_o pass_v through_o they_o be_v violent_o force_v into_o the_o left_a and_o so_o on_o and_o by_o that_o mean_n as_o i_o say_v before_o the_o lung_n distend_v the_o leave_v immediate_o and_o consequent_o the_o right_a mediate_o that_o the_o motion_n of_o the_o blood_n be_v thus_o weaken_a by_o so_o long_a a_o course_n in_o the_o vein_n be_v further_o evince_v if_o a_o vein_n and_o artery_n be_v open_v at_o once_o for_o the_o blood_n run_v out_o of_o the_o artery_n much_o more_o forcible_o and_o indeed_o it_o will_v be_v reasonable_a to_o think_v it_o so_o though_o it_o be_v not_o manifest_v by_o so_o plain_a a_o experiment_n for_o if_o water_n in_o a_o cistern_n be_v put_v into_o a_o violent_a motion_n at_o one_o end_n the_o further_a it_o run_v along_o the_o less_o violent_a be_v the_o force_n of_o it_o and_o it_o be_v further_a evident_a that_o the_o motion_n of_o
the_o lung_n do_v it_o assist_v the_o dilation_n of_o the_o heart_n as_o i_o have_v show_v by_o stop_v the_o breath_n of_o any_o animal_n which_o for_o want_v of_o free_a circulation_n present_o die_v and_o not_o because_o the_o flame_n of_o the_o blood_n be_v by_o that_o mean_v extinguish_v for_o as_o long_o as_o the_o lung_n due_o perform_v respiration_n and_o the_o heart_n violent_o contract_v and_o drive_v the_o blood_n contain_v in_o its_o ventricles_n forcible_o out_o that_o motion_n of_o the_o blood_n be_v by_o a_o continue_a wave_a pressure_n decrease_v be_v enable_v by_o the_o assistance_n of_o the_o motion_n of_o the_o lung_n to_o dilate_v the_o ventricles_n of_o the_o heart_n with_o a_o sufficient_a quantity_n of_o blood_n to_o be_v force_v out_o the_o next_o contraction_n but_o as_o soon_o as_o the_o lung_n cease_v to_o assist_v the_o languid_a motion_n of_o the_o blood_n in_o dilate_v the_o ventricles_n it_o be_v not_o only_o less_o plentiful_o force_v successive_o thus_o into_o the_o ventricles_n of_o the_o heart_n but_o by_o a_o weak_a pressure_n of_o the_o content_n of_o they_o thrust_v out_o each_o succeed_a pulsation_n the_o arterial_a blood_n be_v less_o plentiful_o drive_v forward_o so_o that_o the_o whole_a mass_n circulate_v flower_n by_o degree_n and_o also_o the_o animal_n spirit_n be_v drive_v less_o violent_o into_o the_o muscle_n that_o supply_v of_o spirit_n separate_v in_o the_o cortical_a part_n of_o the_o brain_n be_v not_o so_o powerful_o thirst_n after_o by_o a_o equal_a succession_n of_o matter_n the_o fermentation_n in_o the_o gland_n be_v weak_a and_o consequent_o the_o follow_a contraction_n gradual_o decline_v both_o in_o number_n and_o vigour_n till_o at_o the_o last_o they_o renew_a cease_v but_o if_o before_o the_o circulation_n of_o the_o blood_n be_v quite_o stop_v that_o animal_n be_v again_o permit_v to_o breath_n the_o contractive_a force_n of_o the_o lung_n drive_v blood_n more_o forcible_o into_o the_o left_a cavity_n of_o the_o heart_n so_o that_o the_o next_o pulsation_n a_o great_a quantity_n of_o blood_n be_v force_v into_o the_o artery_n which_o make_v a_o more_o considerable_a protrusion_n of_o blood_n into_o the_o muscular_a gland_n and_o also_o of_o spirit_n through_o the_o nerve_n by_o which_o mean_n the_o thorax_n contract_v more_o violent_o force_v the_o blood_n in_o great_a quantity_n into_o the_o left_a ventricle_n of_o the_o heart_n and_o the_o motion_n of_o the_o heart_n at_o the_o same_o time_n increase_v raise_v circulation_n to_o its_o natural_a force_n by_o squeeze_v blood_n forward_o into_o the_o right_n and_o so_o successive_o from_o hence_o it_o appear_v that_o the_o blood_n be_v force_v into_o the_o ventricles_n of_o the_o heart_n by_o the_o help_n of_o the_o lung_n for_o if_o when_o the_o motion_n of_o the_o lung_n be_v obstruct_v the_o systole_n and_o diastole_n of_o the_o heart_n cease_v in_o a_o short_a time_n it_o must_v needs_o follow_v that_o it_o be_v in_o some_o measure_n preserve_v in_o that_o motion_n by_o they_o and_o it_o be_v further_o prove_v because_o the_o motion_n of_o the_o heart_n do_v not_o only_o soon_o stop_v when_o respiration_n cease_v but_o also_o because_o it_o be_v increase_v by_o a_o renew_a respiration_n and_o any_o one_o that_o will_v be_v further_o satisfy_v of_o the_o truth_n of_o it_o let_v he_o hold_v his_o breath_n a_o considerable_a time_n and_o he_o will_v find_v his_o pulse_n gradual_o decay_v which_o be_v again_o renew_a by_o reiterated_a breathe_v but_o though_o from_o hence_o it_o may_v appear_v that_o unborn_a the_o motion_n of_o the_o heart_n be_v promote_v by_o the_o assistance_n of_o the_o lung_n yet_o it_o perhaps_o may_v be_v a_o question_n how_o this_o defect_n be_v supply_v in_o unborn_a infant_n and_o how_o their_o blood_n circulate_v since_o than_o their_o lung_n do_v not_o perform_v the_o office_n of_o respiration_n to_o which_o i_o answer_v that_o in_o a_o infant_n before_o birth_n the_o placenta_n supply_v that_o defect_n for_o that_o additional_a force_n which_o the_o infant_n blood_n receive_v from_o the_o motion_n of_o nourishment_n violent_o force_v into_o the_o umbilical_a vessel_n by_o the_o pulsation_n of_o those_o artery_n that_o separate_v it_o from_o the_o mother_n blood_n in_o the_o womb_n do_v prove_v equivalent_a and_o supply_v the_o office_n of_o the_o other_o but_o as_o soon_o as_o the_o circulation_n of_o the_o blood_n cease_v to_o be_v promote_v by_o a_o sepaparation_n and_o protrusion_n of_o that_o juice_n it_o immediate_o if_o unborn_a die_v and_o after_o it_o be_v bear_v have_v a_o continual_a necessity_n of_o breathe_v as_o long_o as_o it_o live_v where_o it_o be_v to_o be_v note_v that_o as_o in_o one_o that_o breathe_v the_o lung_n more_o immediate_o assist_v the_o left_a ventricle_n so_o in_o one_o unborn_a the_o placenta_n more_o immediate_o promote_v the_o dilation_n of_o the_o right_n now_o although_o it_o from_o hence_o appear_v that_o the_o motion_n of_o the_o heart_n be_v promote_v by_o the_o reciprocal_a motion_n of_o the_o lung_n yet_o it_o do_v not_o whole_o depend_v upon_o it_o for_o if_o it_o do_v the_o motion_n of_o the_o heart_n will_v as_o sudden_o stop_v as_o that_o of_o the_o lung_n but_o since_o it_o do_v but_o partly_o depend_v upon_o it_o circulation_n decline_v by_o degree_n upon_o the_o stop_n of_o it_o but_o that_o it_o may_v be_v better_o understand_v how_o the_o lung_n promote_v circulation_n i_o shall_v next_o show_v that_o the_o sanguiferous_a vessel_n in_o the_o lung_n be_v not_o only_o contract_v by_o the_o contraction_n of_o the_o thorax_n but_o also_o in_o every_o inspiration_n and_o since_o it_o be_v know_v that_o the_o bladder_n of_o the_o lung_n be_v encompass_v about_o with_o the_o small_a twig_n and_o minute_n ramification_n of_o sanguiferous_a vessel_n every_o systole_n of_o the_o right_a ventricle_n of_o the_o heart_n these_o must_v needs_o be_v fill_v and_o distend_v with_o blood_n and_o if_o so_o consequent_o that_o blood_n must_v needs_o be_v force_v by_o the_o contraction_n of_o the_o thorax_n through_o the_o vena_fw-la arteriosa_fw-la with_o a_o considerable_a force_n and_o so_o be_v drive_v into_o the_o left_a ventricle_n of_o the_o heart_n with_o more_o case_n where_o we_o may_v by_o the_o way_n take_v notice_n that_o the_o blood_n in_o the_o arteria_fw-la venosa_fw-la from_o the_o orifice_n of_o the_o right_a ventricle_n be_v not_o only_o by_o that_o mean_v thrust_v into_o the_o minute_n vessel_n of_o the_o lung_n more_o easy_o but_o also_o the_o blood_n that_o be_v to_o be_v force_v forward_o by_o the_o next_o pulsation_n be_v more_o ready_o receive_v by_o the_o vena_fw-la arteriosa_fw-la and_o the_o ventricle_n more_o easy_o contract_v when_o the_o vessel_n of_o the_o lung_n be_v thus_o empty_v by_o a_o contraction_n of_o the_o thorax_n than_o if_o they_o be_v distend_v that_o subsequent_a matter_n in_o the_o depend_v part_n be_v receive_v and_o drive_v after_o it_o with_o less_o difficulty_n the_o resistance_n that_o distend_v vessel_n will_v make_v to_o the_o egress_n of_o it_o be_v thus_o prevent_v by_o the_o help_n of_o the_o lung_n that_o the_o blood_n be_v thus_o force_v out_o of_o the_o lung_n into_o the_o ventricle_n of_o the_o heart_n be_v not_o only_o evident_a from_o reason_n but_o also_o experience_n for_o in_o violent_a cough_n where_o the_o lung_n be_v almost_o in_o a_o continual_a contraction_n the_o blood_n be_v more_o violent_o drive_v into_o the_o habit_n of_o the_o body_n that_o it_o be_v force_v into_o the_o face_n visible_o appear_v and_o that_o it_o also_o flow_v into_o the_o habit_n of_o the_o body_n be_v evident_a in_o people_n that_o be_v let_v blood_n which_o by_o cough_v much_o be_v plentiful_o force_v out_o of_o the_o orifice_n and_o that_o the_o contraction_n of_o the_o lung_n in_o cough_v can_v no_o otherwise_o force_v the_o blood_n into_o the_o habit_n of_o the_o body_n but_o through_o the_o left_a ventricle_n be_v very_o plain_a and_o last_o that_o not_o only_o the_o left_a ventricle_n be_v by_o that_o mean_n further_o dilate_v but_o consequent_o the_o right_a by_o the_o assistance_n of_o the_o lung_n be_v manifest_a because_o circulation_n be_v present_o quicken_v by_o cough_v so_o that_o this_o one_o phaenomenon_n prove_v all_o that_o i_o have_v assert_v concern_v the_o use_n of_o the_o lung_n with_o respect_n to_o the_o heart_n but_o it_o may_v here_o also_o be_v question_v how_o the_o lung_n supply_v the_o heart_n in_o inspiration_n when_o the_o cavity_n of_o the_o lung_n be_v dilate_v to_o which_o i_o answer_v that_o though_o the_o cavity_n of_o the_o lung_n be_v dilate_v in_o inspiration_n yet_o the_o bladder_n which_o be_v swell_v and_o dilate_a with_o air_n even_o then_o make_v a_o moderate_a pressure_n upon_o and_o consequent_o a_o contraction_n of_o the_o blood_n vessel_n that_o be_v
the_o heart_n and_o from_o the_o heart_n to_o the_o extremity_n of_o the_o vessel_n again_o be_v very_o short_a before_o there_o can_v be_v any_o sensible_a or_o considerable_a decay_n of_o it_o the_o blood_n be_v anew_o ferment_v in_o the_o gland_n and_o so_o by_o a_o continual_a circulation_n the_o heat_n of_o the_o blood_n be_v preserve_v and_o because_o by_o this_o time_n the_o animal_n spirit_n mix_v in_o the_o first_o fermentation_n with_o the_o blood_n be_v almost_o spend_v be_v incorporate_v with_o it_o and_o because_o part_v of_o it_o be_v continual_o separate_v in_o the_o brain_n it_o meet_v a_o second_o time_n with_o new_a supply_n and_o also_o by_o repeat_v fermentation_n be_v more_o impregnate_v with_o spirit_n as_o well_o as_o digest_v and_o ripen_v to_o a_o high_a degree_n of_o maturity_n thus_o i_o have_v give_v a_o account_n how_o the_o heat_n of_o the_o blood_n be_v carry_v on_o in_o the_o vessel_n that_o it_o may_v more_o clear_o appear_v how_o the_o original_a cause_n of_o heat_n be_v principal_o in_o the_o gland_n that_o the_o animal_n spirit_n be_v put_v into_o a_o elastic_a prove_v motion_n in_o the_o gland_n i_o have_v before_o prove_v by_o the_o grosser_n particle_n of_o the_o blood_n and_o that_o the_o blood_n so_o ferment_v be_v successive_o cast_v out_o into_o the_o vein_n be_v plain_a enough_o to_o any_o one_o that_o do_v but_o understand_v circulation_n to_o prove_v then_o that_o the_o blood_n be_v thrust_v out_o of_o the_o gland_n do_v by_o a_o further_a expansion_n of_o those_o spirit_n for_o a_o while_n increase_v the_o fermentation_n and_o that_o when_o the_o vigour_n of_o the_o spirit_n be_v spend_v it_o will_v gradual_o decay_v we_o need_v but_o take_v notice_n how_o fermentation_n be_v begin_v and_o carry_v on_o in_o other_o liquor_n for_o when_o oil_n of_o vitriol_n and_o spirit_n of_o ammoniac_a salt_n be_v mix_v together_o the_o part_n of_o each_o be_v in_o some_o measure_n mix_v and_o put_v into_o motion_n by_o drop_v the_o one_o into_o the_o other_o they_o present_o begin_v to_o ferment_n which_o fermentation_n be_v gradual_o exalt_v till_o by_o a_o frequent_a collision_n and_o attrition_n the_o most_o fermentative_a part_n fly_v away_o or_o their_o vigour_n be_v lose_v and_o then_o fermentation_n gradual_o decrease_v and_o in_o like_a manner_n all_o other_o liquor_n that_o for_o a_o time_n ferment_n with_o a_o sensible_a heat_n but_o if_o possible_a it_o will_v further_o appear_v that_o the_o original_a &_o principal_a cause_n of_o fermentation_n be_v in_o the_o gland_n if_o we_o do_v but_o consider_v how_o fermentation_n be_v carry_v on_o in_o a_o die_a body_n for_o in_o a_o body_n that_o be_v about_o to_o die_v the_o vigour_n as_o well_o as_o dead_a quantity_n of_o animal_n spirit_n be_v diminish_v and_o those_o too_o be_v less_o vigorous_o ground_n betwixt_o the_o part_n of_o the_o arterial_a blood_n expand_v so_o weak_o that_o they_o scarce_o agitate_v the_o mass_n of_o blood_n sufficient_o to_o preserve_v its_o heat_n but_o as_o soon_o as_o the_o blood_n and_o spirit_n cease_v to_o circulate_v the_o heat_n of_o the_o blood_n present_o grow_v mild_a till_o at_o last_o it_o be_v quite_o extinguish_v now_o if_o when_o the_o fermentation_n be_v weak_a the_o heat_n of_o the_o blood_n be_v more_o remiss_a and_o depress_v and_o when_o circulation_n be_v stop_v it_o consequent_o cease_v it_o must_v needs_o follow_v that_o the_o animal_n spirit_n be_v the_o cause_n of_o that_o fermentation_n and_o that_o it_o be_v promote_v by_o drive_v those_o two_o liquor_n forcible_o together_o and_o that_o the_o fermentation_n be_v chief_o cause_v in_o the_o gland_n be_v plain_a because_o when_o the_o spirit_n and_o blood_n cease_v to_o be_v drive_v together_o and_o there_o ferment_v the_o heat_n of_o the_o blood_n decrease_v and_o that_o it_o be_v not_o in_o the_o vessel_n be_v evident_a because_o after_o circulation_n be_v stop_v it_o present_o decline_v whereas_o if_o it_o be_v cause_v in_o the_o vessel_n it_o will_v continue_v after_o death_n as_o well_o as_o before_o since_o it_o than_o have_v the_o same_o matter_n though_o it_o want_v circulation_n and_o a_o forcible_a mixture_n and_o what_o i_o have_v show_v to_o be_v the_o consequence_n of_o it_o i_o shall_v only_o bring_v one_o argument_n more_o to_o prove_v that_o the_o attrition_n heat_n of_o the_o blood_n depend_v upon_o the_o attrition_n and_o fermentation_n in_o the_o glandule_n which_o may_v be_v infer_v from_o this_o common_a observation_n that_o the_o heat_n of_o the_o blood_n be_v increase_v by_o all_o violent_a motion_n for_o upon_o all_o violent_a motion_n a_o large_a quantity_n of_o animal_n spirit_n be_v send_v to_o the_o part_n to_o be_v move_v in_o order_n to_o prepare_v a_o great_a quantity_n of_o subtle_a liquor_n to_o distend_a and_o dilate_v the_o fibre_n the_o fermentation_n be_v not_o only_o raise_v high_a in_o the_o glandule_n but_o the_o motion_n of_o the_o heart_n be_v thus_o accidental_o increase_v quicken_v the_o circulation_n of_o the_o blood_n so_o much_o that_o before_o the_o vigorous_a motion_n of_o its_o part_n which_o be_v raise_v in_o the_o precedent_a fermentation_n be_v spend_v it_o be_v again_o renew_a but_o the_o circulation_n of_o the_o blood_n be_v not_o only_o quicken_v by_o the_o contraction_n of_o the_o heart_n but_o also_o by_o the_o frequent_o repeat_v contraction_n of_o the_o muscle_n for_o the_o heart_n contract_v send_v it_o out_o into_o the_o musculous_a part_n and_o again_o those_o muscle_n drive_v it_o soon_o and_o more_o forcible_o back_o upon_o the_o heart_n from_o whence_o it_o appear_v that_o both_o the_o heat_n of_o the_o blood_n be_v increase_v by_o be_v often_o ferment_v in_o those_o glandule_n and_o consequent_o that_o it_o depend_v on_o the_o mixture_n and_o fermentation_n of_o the_o animal_n spirit_n and_o arterial_a blood_n from_o hence_o it_o be_v manifest_a how_o far_o circulation_n be_v beneficial_a another_o in_o carry_v on_o the_o heat_n of_o the_o blood_n and_o if_o we_o consider_v the_o reason_n which_o i_o have_v give_v of_o muscular_a motion_n we_o shall_v see_v that_o as_o fermentation_n depend_v on_o muscular_a motion_n so_o muscular_a motion_n depend_v on_o fermentation_n so_o that_o as_o i_o say_v before_o there_o be_v a_o continual_a chain_n and_o circulation_n of_o cause_n as_o well_o as_o humour_n in_o a_o man_n body_n to_o proceed_v therefore_o to_o the_o second_o objection_n i_o suppose_v some_o admit_v may_v raise_v viz._n whether_o this_o fermentation_n can_v be_v carry_v on_o in_o so_o short_a a_o time_n as_o a_o continual_a and_o quick_a circulation_n will_v admit_v this_o do_v not_o only_o appear_v possible_a from_o evident_a matter_n of_o fact_n but_o also_o if_o we_o consider_v that_o in_o much_o less_o time_n than_o what_o be_v allow_v for_o fermentation_n in_o the_o glandule_n if_o a_o spark_n of_o fire_n be_v put_v to_o gunpowder_n it_o immediate_o put_v its_o part_n into_o a_o explosion_n and_o that_o the_o blood_n not_o only_a ferment_n in_o so_o short_a a_o time_n but_o that_o it_o may_v prepare_v that_o subtle_a matter_n which_o circulate_v through_o the_o muscular_a fibres_fw-fr we_o may_v with_o a_o great_a deal_n of_o reason_n believe_v if_o we_o do_v but_o take_v notice_n that_o warm_a milk_n if_o it_o be_v but_o forcible_o milk_v into_o vinegar_n it_o present_o be_v separate_v into_o two_o part_n viz._n curd_n and_o whey_n if_o then_o by_o mix_v these_o two_o liquor_n they_o cause_v so_o great_a a_o change_n on_o one_o another_o i_o can_v conceive_v any_o reason_n why_o part_n of_o the_o animal_n spirit_n ferment_v with_o the_o blood_n may_v not_o as_o soon_o be_v mix_v with_o some_o part_n of_o the_o rarefy_v succus_fw-la nutritius_n and_o force_v forward_o into_o the_o fibre_n but_o from_o what_o i_o have_v say_v it_o appear_v that_o beside_o the_o heat_n of_o the_o blood_n be_v cause_v in_o the_o glandule_n by_o fermentation_n and_o how_o it_o be_v continue_v in_o the_o musculous_a part_n i_o shall_v in_o the_o next_o place_n consider_v in_o what_o part_v it_o be_v most_o vigorous_o ferment_v which_o will_v appear_v only_o by_o consider_v where_o the_o spirit_n be_v most_o plentiful_o lay_v down_o for_o if_o fermentation_n depend_v on_o and_o be_v chief_o cause_v by_o the_o animal_n spirit_n as_o i_o have_v show_v then_o it_o must_v needs_o follow_v that_o the_o heat_n of_o the_o blood_n be_v most_o promote_v in_o those_o part_n where_o animal_n spirit_n be_v most_o predominant_a and_o have_v prove_v that_o in_o order_n to_o prepare_v that_o subtle_a liquor_n which_o cause_v contraction_n of_o the_o muscle_n a_o great_a quantity_n of_o animal_n spirit_n be_v send_v there_o it_o will_v follow_v that_o the_o blood_n grow_v hot_a be_v most_o vigorous_o ferment_v in_o those_o part_n that_o be_v in_o motion_n and_o
than_o it_o will_v follow_v that_o the_o heart_n be_v a_o part_n in_o constant_a motion_n and_o that_o motion_n proceed_v from_o a_o successive_a supply_n of_o spirit_n the_o blood_n must_v needs_o acquire_v the_o most_o considerable_a degree_n of_o heat_n in_o the_o substance_n of_o it_o but_o although_o i_o say_v that_o the_o blood_n for_o these_o reason_n acquire_v a_o great_a heat_n in_o the_o heart_n then_o in_o any_o other_o part_n i_o will_v not_o be_v think_v to_o mean_v that_o it_o grow_v hot_a so_o in_o the_o ventricles_n of_o the_o heart_n for_o the_o use_n of_o the_o heart_n be_v only_o to_o force_v the_o blood_n out_o of_o it_o and_o by_o dilate_v to_o receive_v it_o in_o again_o for_o another_o expulsion_n and_o so_o to_o keep_v it_o in_o circulation_n it_o can_v get_v no_o great_a heat_n there_o since_o it_o want_v spirit_n to_o ferment_n with_o it_o but_o i_o only_o mean_v that_o consider_v the_o substance_n and_o dimension_n of_o the_o muscular_a part_n of_o the_o heart_n and_o that_o small_a portion_n of_o blood_n contain_v in_o the_o artery_n disperse_v through_o it_o that_o that_o blood_n acquire_v a_o great_a heat_n than_o that_o quantity_n of_o blood_n do_v in_o another_o part_n that_o be_v not_o in_o motion_n but_o there_o be_v beside_o muscular_a part_n many_o bowel_n considerable_a internal_a part_n in_o a_o man_n body_n in_o which_o a_o great_a number_n of_o blood_n vessel_n be_v distribute_v it_o perhaps_o will_v be_v ask_v whether_o fermentation_n be_v carry_v on_o in_o these_o too_o to_o which_o i_o answer_v that_o animal_n spirit_n and_o arterial_a blood_n be_v either_o mediate_o or_o immediate_o lay_v down_o in_o they_o all_o there_o must_v needs_o be_v a_o fermentation_n which_o be_v prove_v upon_o such_o premise_n by_o what_o i_o have_v already_o say_v there_o be_v no_o need_n i_o shall_v repeat_v it_o again_o but_o since_o anatomist_n have_v not_o as_o yet_o discover_v nerve_n to_o be_v distribute_v through_o the_o liver_n although_o blood_n be_v communicate_v to_o it_o by_o the_o vena_fw-la porta_n which_o supply_v the_o office_n of_o a_o artery_n to_o the_o liver_n it_o perhaps_o may_v be_v doubt_v whether_o fermentation_n be_v carry_v on_o after_o the_o same_o manner_n there_o and_o consequent_o whether_o the_o office_n of_o the_o liver_n be_v perform_v by_o fermentation_n or_o not_o that_o it_o be_v i_o shall_v show_v hereafter_o and_o also_o how_o the_o gland_n in_o that_o part_n be_v supply_v with_o spirit_n from_o what_o i_o have_v hitherto_o say_v it_o appear_v what_o be_v necessary_a to_o continue_v the_o heat_n of_o the_o blood_n and_o also_o what_o be_v the_o cause_n of_o it_o for_o first_o it_o be_v necessary_a that_o the_o animal_n spirit_n and_o blood_n blood_n shall_v be_v in_o a_o continual_a circulation_n that_o be_v forcible_o drive_v together_o their_o particle_n may_v be_v intimare_o mix_v one_o with_o another_o and_o second_o that_o the_o animal_n spirit_n shall_v be_v ground_n betwixt_o the_o part_n of_o the_o mass_n of_o blood_n that_o they_o may_v be_v thereby_o rarify_v and_o expanded_a and_o their_o particle_n put_v into_o a_o swift_a motion_n and_o three_o it_o be_v requisite_a that_o the_o animal_n spirit_n shall_v be_v of_o a_o oily_a sulphureous_a volatile_a temper_n that_o be_v more_o easy_o rarify_v and_o expanded_a they_o may_v be_v present_o put_v into_o motion_n and_o cause_v the_o whole_a mass_n to_o ferment_n have_v then_o explain_v the_o heat_n of_o the_o blood_n and_o prove_v it_o agreeable_a to_o these_o circumstance_n i_o be_o for_o the_o reason_n before_o mention_v persuade_v to_o believe_v that_o the_o heat_n of_o the_o blood_n thus_o proceed_v from_o fermentation_n of_o the_o use_n of_o the_o lung_n for_o as_o much_o as_o appear_v from_o the_o book_n of_o several_a learned_a man_n the_o use_v of_o the_o lung_n have_v not_o be_v hitherto_o indisputable_a no_o more_o than_o the_o use_v of_o other_o part_n for_o as_o there_o be_v several_a opinion_n concern_v other_o so_o there_o be_v no_o less_o dispute_n about_o this_o whilst_o some_o will_v have_v it_o to_o be_v only_o a_o sort_n of_o fan_n to_o cool_v and_o air_n the_o blood_n and_o other_o that_o it_o be_v design_v to_o kindle_v and_o put_v the_o blood_n into_o a_o flame_n by_o continual_o supply_v it_o with_o nitre_n whether_o of_o these_o be_v most_o probable_a may_v easy_o be_v gather_v by_o consider_v the_o effect_n that_o air_n have_v upon_o we_o for_o since_o the_o air_n be_v continual_o draw_v in_o and_o thrust_v out_o again_o in_o respiration_n any_o one_o that_o do_v but_o know_v what_o effect_n it_o have_v upon_o himself_o can_v be_v ignorant_a of_o the_o use_n of_o the_o lung_n in_o respect_n of_o the_o heat_n of_o the_o blood_n evident_o find_v himself_o cool_v by_o it_o and_o if_o any_o one_o that_o by_o daily_a experience_n find_v that_o it_o cool_v he_o can_v conclude_v thence_o that_o it_o kindle_v and_o promote_v the_o heat_n of_o the_o blood_n he_o may_v be_v please_v with_o his_o notion_n but_o no_o body_n else_o will_v with_o such_o as_o contradict_v self-evident_a truth_n but_o that_o it_o may_v appear_v how_o far_o the_o lung_n may_v be_v say_v to_o be_v a_o fan_n or_o ventilabrum_fw-la to_o the_o blood_n and_o whether_o the_o air_n promote_v the_o heat_n of_o it_o or_o not_o i_o shall_v take_v this_o method_n first_o consider_v the_o use_n of_o the_o lung_n with_o respect_n to_o the_o rational_a soul_n and_o second_o with_o respect_n to_o the_o body_n the_o use_n of_o the_o lung_n with_o a_o more_o immediate_a respect_n to_o soul_n the_o soul_n appear_v to_o be_v nothing_o else_o but_o as_o a_o large_a capacious_a vessel_n endue_v with_o a_o cavity_n to_o contain_v a_o great_a quantity_n of_o air_n so_o that_o it_o perform_v the_o same_o office_n in_o the_o body_n as_o a_o pair_n of_o bellows_o to_o organ_n for_o as_o in_o organ_n the_o bellows_o supply_v pipe_n of_o different_a size_n with_o air_n and_o that_o be_v drive_v through_o they_o produces_z different_z sounds_z so_o the_o lung_n dilate_v and_o extend_v by_o the_o motion_n of_o the_o thorax_n and_o be_v full_a of_o air_n contract_n and_o according_o as_o the_o pharinx_n and_o its_o part_n be_v different_o modulate_v so_o the_o air_n forcible_o drive_v through_o they_o cause_v different_a voice_n in_o which_o action_n the_o lung_n seem_v chief_o to_o be_v a_o organ_n reason_v make_v on_o purpose_n to_o be_v serviceable_a to_o the_o rational_a soul_n to_o express_v all_o its_o conception_n and_o reason_n and_o to_o form_v voice_n or_o articulate_v sound_n to_o signify_v those_o notion_n contain_v in_o and_o apprehend_v by_o it_o that_o those_o thing_n which_o must_v otherwise_o remain_v in_o silence_n may_v be_v communicate_v to_o promote_v a_o mutual_a commerce_n and_o conversation_n among_o men._n but_o here_o some_o may_v ask_v if_o it_o be_v chief_o design_v to_o form_n articulate_v sound_n as_o it_o real_o seem_v to_o be_v why_o do_v we_o take_v our_o breath_n continual_o or_o why_o be_v our_o spirit_n constant_o consume_v by_o keep_v the_o part_n in_o a_o perpetual_a motion_n since_o sometime_o we_o use_v it_o very_o little_a for_o a_o long_a time_n to_o express_v any_o thing_n by_o one_o half_a of_o our_o life_n and_o the_o large_a too_o be_v pass_v away_o in_o silence_n to_o which_o it_o may_v be_v answer_v that_o it_o be_v necessary_a the_o lung_n because_o shall_v be_v in_o a_o constant_a and_o continual_a motion_n that_o they_o may_v be_v keep_v in_o readiness_n to_o express_v what_o and_o whenever_o we_o have_v a_o mind_n another_o reason_n be_v that_o since_o the_o cavity_n of_o the_o lung_n be_v they_o constant_o supply_v with_o a_o serous_a lympha_fw-la to_o moisten_v their_o coat_n and_o to_o moderate_v the_o acrimony_n of_o the_o air_n it_o be_v necessary_a there_o shall_v be_v a_o constant_a and_o continual_a respiration_n to_o carry_v that_o serous_a lympha_fw-la off_z which_o will_v otherwise_o stuff_v up_o the_o bladder_n of_o the_o lung_n that_o they_o will_v be_v incapable_a of_o receive_v air_n but_o every_o inspiration_n that_o superfluous_a moisture_n be_v mix_v and_o incorporate_v with_o the_o air_n be_v by_o every_o expiration_n carry_v off_o which_o prevent_v those_o ill_a consequence_n which_o will_v otherwise_o follow_v another_o reason_n why_o the_o lung_n ought_v to_o be_v always_o in_o body_n motion_n be_v lest_o they_o shall_v preter-natural_o affect_v and_o disturb_v the_o constitution_n of_o our_o body_n when_o put_v in_o motion_n as_o we_o have_v a_o mind_n to_o express_v ourselves_o for_o if_o the_o lung_n be_v at_o other_o time_n quiet_a and_o still_o our_o body_n will_v be_v put_v into_o such_o disorder_n by_o violent_a and_o sudden_a motion_n that_o we_o shall_v be_v as_o unfit_a to_o discourse_v of_o