of_o the_o whole_a body_n be_v much_o more_o compress_a than_o in_o their_o natural_a state_n of_o rest_n and_o consequent_o do_v not_o only_o not_o admit_v of_o the_o usual_a quantity_n of_o blood_n and_o humour_n due_a to_o they_o by_o circulation_n but_o by_o their_o violent_a and_o frequent_a contraction_n do_v return_v they_o back_o in_o much_o a_o large_a proportion_n than_o they_o now_o receive_v they_o whereupon_o the_o lung_n become_v overcharge_v which_o cause_v frequent_a breathe_n and_o make_v the_o pulse_n quick_a and_o strong_a than_o former_o distend_v the_o great_a vein_n and_o artery_n with_o a_o great_a quantity_n of_o blood_n than_o be_v usual_a whereupon_o the_o artery_n by_o its_o pulse_n and_o tone_n endeavour_v to_o discharge_v itself_o upon_o the_o habit_n of_o the_o body_n which_o not_o receive_v it_o in_o its_o due_a and_o accustom_a proportion_n the_o blood_n do_v in_o a_o more_o than_o a_o usual_a manner_n fill_v the_o vessel_n of_o the_o eye_n and_o other_o weak_a part_n and_o either_o by_o dissension_n compression_n or_o extravasation_n of_o blood_n or_o other_o humour_n the_o order_n and_o disposition_n of_o the_o part_n of_o the_o eye_n become_v so_o confuse_v and_o disturb_v that_o no_o wonder_n if_o blindness_n immediate_o or_o soon_o after_o do_v ensue_v now_o it_o be_v manifest_a from_o hence_o that_o where_o the_o body_n of_o a_o horse_n be_v clean_a that_o be_v to_o say_v not_o so_o full_a of_o humour_n and_o where_o blood_n abound_v not_o overmuch_o this_o accident_n shall_v not_o easy_o happen_v and_o here_o we_o be_v to_o observe_v that_o though_o the_o native_a tone_n of_o the_o eye_n do_v rather_o exceed_v that_o of_o the_o other_o part_n than_o come_v short_a of_o it_o yet_o it_o be_v not_o sufficient_a to_o resist_v this_o influx_n when_o the_o tone_n of_o the_o other_o part_n be_v so_o much_o strengthen_v by_o the_o violent_a local_a motion_n of_o the_o body_n 11._o if_o we_o a_o little_a reflect_v upon_o the_o manner_n of_o the_o circulation_n of_o the_o blood_n and_o how_o by_o very_o modern_a discovery_n the_o chyle_n be_v first_o mingle_v with_o the_o blood_n in_o the_o axillary_a or_o subclavial_a vein_n from_o whence_o it_o pass_v by_o the_o right_a ventricle_n of_o the_o heart_n through_o the_o lung_n into_o the_o left_a ventricle_n from_o thence_o to_o be_v distribute_v into_o the_o whole_a body_n one_o thing_n very_o remarkable_a will_v arise_v to_o our_o observation_n namely_o that_o what_o part_n of_o the_o blood_n be_v send_v towards_o the_o head_n by_o the_o carotide_n or_o artery_n of_o the_o neck_n flow_v thither_o very_o crude_a and_o accompany_v with_o all_o its_o excrement_n it_o have_v not_o yet_o receive_v or_o suffer_v any_o depuration_n or_o alteration_n from_o the_o reins_o or_o spleen_n like_o that_o which_o pass_v into_o almost_o all_o other_o especial_o the_o low_a part_n of_o the_o body_n though_o indeed_o it_o seem_v not_o to_o be_v cleanse_v of_o the_o gall_n till_o it_o return_v home_o again_o through_o the_o liver_n now_o though_o nature_n purpose_n herein_o be_v very_o obscure_a that_o the_o blood_n thus_o impure_a shall_v be_v design_v for_o the_o service_n of_o the_o most_o noble_a part_n yet_o that_o so_o it_o be_v will_v far_o appear_v by_o the_o several_a emunctory_n or_o sink_n wherewith_o the_o head_n be_v in_o a_o particular_a manner_n provide_v as_o the_o ear_n eye_n nose_n palate_n every_o of_o which_o discharge_v the_o brain_n of_o a_o several_a excrement_n and_o that_o no_o long_o useful_a to_o the_o body_n except_z what_o be_v secern_v by_o the_o palate_n which_o be_v for_o the_o most_o part_n again_o return_v to_o the_o stomach_n for_o the_o better_a separate_n of_o which_o nature_n have_v industrious_o place_v about_o the_o head_n so_o many_o of_o those_o serous_a vessel_n call_v the_o ductus_fw-la salivares_n which_o seem_v here_o to_o perform_v the_o same_o office_n to_o that_o part_n of_o the_o blood_n send_v to_o the_o head_n which_o the_o reins_o do_v execute_v to_o the_o remain_a mass_n hence_o no_o wonder_n it_o be_v if_o excessive_a drink_n do_v so_o much_o weaken_v the_o brain_n cause_n catarrh_n which_o be_v nothing_o but_o a_o overflow_n of_o the_o ductus_fw-la salivares_n weaken_v all_o the_o faculty_n of_o the_o soul_n and_o sense_n and_o at_o length_n enervate_a the_o whole_a body_n although_o at_o the_o same_o time_n the_o reins_o do_v their_o duty_n indifferent_o well_o and_o this_o especial_o if_o the_o native_a tone_n of_o the_o brain_n be_v weak_a it_o be_v then_o so_o much_o the_o less_o able_a to_o discharge_v itself_o of_o such_o superfluous_a excrement_n this_o may_v be_v say_v in_o general_a that_o the_o blood_n be_v thus_o send_v to_o the_o brain_n before_o depuration_n in_o regard_n of_o its_o public_a office_n that_o the_o same_o may_v there_o be_v far_o elaborate_v as_o shall_v best_o suit_v with_o its_o service_n in_o that_o noble_a part_n thus_o much_o by_o way_n of_o a_o useful_a digression_n may_v suffice_v concern_v tonical_a motion_n and_o some_o considerable_a circumstance_n of_o it_o which_o as_o well_o for_o the_o assistance_n it_o give_v the_o heart_n in_o the_o circulation_n of_o the_o blood_n as_o for_o the_o many_o useful_a indication_n from_o thence_o arise_v in_o the_o doctrine_n of_o phlebotomy_n be_v most_o proper_o to_o be_v handle_v in_o this_o chapter_n of_o sanguification_n 12._o and_o now_o i_o do_v not_o much_o doubt_n but_o whoever_o shall_v have_v careful_o peruse_v what_o have_v be_v late_o say_v concern_v sanguification_n and_o the_o use_n of_o the_o lung_n will_v as_o ready_o conclude_v with_o i_o that_o the_o lung_n do_v bear_v a_o very_a principal_a part_n in_o the_o work_n of_o sanguification_n for_o in_o they_o the_o chyle_n be_v perfect_o mingle_v with_o the_o blood_n in_o they_o one_o half_a part_n of_o the_o circulation_n be_v perform_v and_o in_o they_o the_o blood_n seem_v to_o free_v itself_o first_o of_o all_o from_o any_o excrement_n to_o wit_n a_o fuliginous_a or_o rather_o a_o vaporous_a watery_a superfluity_n which_o pass_v out_o together_o with_o our_o breath_n and_o this_o seem_v the_o first_o and_o chief_a part_n of_o sanguification_n the_o second_o be_v a_o far_o elaborate_n the_o mass_n of_o blood_n in_o the_o artery_n which_o be_v perform_v by_o the_o pulsive_a motion_n of_o the_o heart_n the_o three_o and_o last_o part_n be_v the_o depuration_n of_o the_o blood_n whereby_o its_o superfluous_a excrement_n be_v separate_v from_o it_o and_o this_o be_v perform_v by_o the_o rest_n of_o the_o bowel_n thus_o by_o pass_v through_o the_o reins_o it_o be_v drein_v of_o its_o serous_a part_n another_o excrement_n it_o seem_v to_o leave_v behind_o it_o in_o the_o spleen_n though_o of_o what_o kind_n be_v not_o yet_o well_o determine_v among_o the_o modern_a physician_n but_o on_o all_o side_n it_o be_v conclude_v that_o while_o it_o passeâ—_n through_o the_o liver_n as_o through_o a_o streiner_n iâ—_n be_v there_o purge_v of_o choler_n which_o in_o mosâ—_n animal_n be_v collect_v in_o a_o little_a bladder_n oâ—_n cistis_fw-la from_o whence_o it_o be_v transmit_v to_o thâ—_n intestine_n where_o it_o become_v a_o kind_n of_o natural_a clyster_n and_o provoke_v to_o the_o excern_v the_o excrement_n of_o the_o first_o way_n as_o they_o use_v to_o term_v they_o and_o this_o be_v what_o lie_v in_o our_o way_n to_o say_v at_o present_a concern_v sanguification_n chap._n v._o that_o often_o change_v the_o air_n be_v a_o friend_n to_o health_n also_o a_o discovery_n of_o a_o new_a method_n of_o do_v it_o without_o remove_v from_o one_o place_n to_o another_o by_o mean_n of_o a_o domicil_n or_o air-chamber_n fit_v to_o that_o purpose_n 1._o have_v hitherto_o show_v what_o part_n the_o air_n act_v in_o all_o fermentation_n and_o that_o in_o respect_n of_o its_o tone_n and_o temper_n viz._n its_o difference_n of_o rarity_n and_o density_n and_o of_o heat_n and_o cold_a and_o that_o in_o general_a only_o not_o consider_v what_o other_o disposition_n of_o the_o air_n may_v make_v it_o apt_a to_o promote_v or_o retard_v the_o motion_n of_o fermentation_n whereby_o it_o may_v also_o powerful_o operate_v to_o the_o continuation_n or_o destruction_n of_o mix_a body_n as_o not_o so_o direct_o serve_v for_o the_o illustration_n of_o the_o subject_a we_o principal_o intend_v in_o this_o discourse_n have_v far_o make_v it_o probable_a that_o the_o work_n of_o our_o stomach_n upon_o our_o aliment_n as_o also_o that_o sanguification_n itself_o be_v a_o kind_n of_o fermentation_n and_o last_o have_v assert_v the_o public_a office_n of_o the_o lung_n together_o with_o the_o use_n of_o breathe_v as_o well_o in_o promote_a the_o circulation_n as_o elaborate_n of_o the_o blood_n and_o have_v likewise_o say_v something_o of_o the_o tonical_a motion_n of_o the_o body_n and_o all_o this_o
while_o in_o the_o womb_n be_v most_o probable_a that_o all_o viperous_a creature_n after_o the_o birth_n can_v live_v long_o without_o breath_n be_v most_o certain_a yet_o i_o do_v not_o find_v the_o use_n of_o respiration_n so_o clear_o determine_v but_o that_o it_o may_v afford_v we_o matter_n for_o far_a enquiry_n the_o common_a receive_v opinion_n be_v that_o respiration_n serve_v chief_o for_o cool_v the_o heart_n next_o that_o it_o yield_v matter_n for_o production_n of_o new_a vital_a spirit_n and_o last_o that_o it_o discharge_v the_o lung_n of_o a_o fuliginous_a excrement_n which_o seem_v to_o transsude_v from_o the_o mass_n of_o blood_n into_o the_o branch_n of_o the_o rough_a artery_n that_o the_o heart_n be_v cool_v by_o breathe_v be_v very_o probable_a but_o not_o immediate_o for_o the_o air_n go_v no_o far_o than_o the_o lung_n first_o cool_v they_o next_o the_o blood_n in_o they_o and_o consequent_o the_o heart_n become_v less_o hot_a than_o otherwise_o it_o will_v be_v but_o this_o be_v in_o effect_n no_o more_o than_o be_v obtain_v by_o bathe_v the_o limb_n in_o cold_a water_n which_o do_v a_o together_o if_o nâ—t_o more_o effectual_o cool_v the_o mass_n of_o blood_n as_o much_o as_o the_o air_n in_o breathe_v can_v be_v conceive_v to_o do_v it_o and_o yet_o bathe_v will_n in_o no_o wise_n become_v a_o substitute_n to_o breathe_v nor_o do_v the_o generation_n of_o vital_a spirit_n seem_v to_o be_v the_o chief_a use_n of_o the_o air_n in_o breathe_v in_o regard_n it_o be_v not_o easy_a to_o conceive_v any_o such_o contrivance_n in_o the_o lung_n that_o may_v serve_v for_o the_o let_n in_o of_o air_n into_o the_o vein_n and_o artery_n which_o contain_v the_o blood_n without_o endanger_v contrariwise_o the_o effusion_n of_o that_o precious_a juice_n much_o less_o have_v anatomy_n as_o yet_o discover_v any_o such_o passage_n unto_o we_o last_o as_o i_o shall_v not_o deny_v but_o that_o the_o lung_n do_v discharge_v themselves_o of_o a_o fuliginous_a excrement_n by_o breathe_v so_o i_o think_v it_o as_o true_a that_o this_o be_v none_o of_o the_o principal_a use_n of_o respiration_n nor_o be_v it_o at_o all_o likely_a that_o either_o the_o heart_n shall_v grow_v so_o hot_a or_o that_o the_o vital_a spirit_n shall_v vanish_v so_o fast_o or_o the_o fuliginous_a excrement_n be_v accumulate_v in_o that_o quantity_n upon_o the_o intermission_n of_o breathe_v for_o a_o short_a time_n only_o as_o to_o endanger_v our_o life_n beyond_o recovery_n as_o the_o absolute_a necessity_n of_o respiration_n will_v seem_v to_o enforce_v before_o i_o come_v to_o deliver_v my_o own_o opinion_n i_o shall_v make_v a_o slight_a digression_n concern_v the_o circulation_n of_o the_o blood_n which_o will_v not_o a_o little_a illustrate_v what_o we_o be_v about_o to_o say_v concern_v this_o subject_a 2._o it_o be_v manifest_a in_o the_o circulation_n of_o the_o blood_n in_o animal_n that_o the_o blood_n be_v move_v from_o the_o left_a ventricle_n of_o the_o heart_n through_o the_o great_a artery_n into_o all_o its_o branch_n from_o whence_o it_o be_v bring_v back_o by_o the_o small_a vein_n which_o discharge_v themselves_o into_o the_o vena_fw-la cava_fw-la from_o whence_o it_o be_v return_v into_o the_o right_a ventricle_n of_o the_o heart_n from_o whence_o it_o be_v send_v by_o the_o vena_fw-la arteriosa_fw-la into_o the_o lung_n and_o so_o bring_v back_o again_o into_o the_o left_a ventricle_n of_o the_o heart_n by_o the_o arteria_fw-la venosa_fw-la and_o in_o this_o circular_a motion_n of_o the_o blood_n life_n chief_o consist_v and_o if_o the_o same_o by_o any_o chance_n shall_v cease_v or_o intermit_v though_o but_o for_o a_o very_a small_a time_n less_o than_o a_o minute_n death_n will_v unavoidable_o follow_v in_o this_o motion_n of_o the_o blood_n it_o be_v observable_a first_o that_o as_o the_o pulsation_n of_o the_o heart_n send_v it_o through_o the_o artery_n into_o the_o whole_a habit_n of_o the_o body_n so_o the_o return_n of_o it_o by_o the_o vein_n seem_v to_o depend_v chief_o upon_o the_o tonical_a motion_n of_o the_o body_n for_o the_o part_n be_v extend_v by_o the_o flow_a in_o of_o the_o blood_n somewhat_o beyond_o their_o tone_n do_v again_o gentle_o subside_o and_o thereby_o continue_v the_o intend_a course_n of_o the_o blood_n towards_o the_o heart_n again_o a_o argument_n hereof_o be_v that_o all_o paralytic_a part_n grow_v immediate_o cold_a and_o that_o for_o no_o other_o reason_n than_o that_o the_o tonical_a motion_n together_o with_o the_o power_n locomotive_a cease_v the_o circulation_n be_v either_o very_o weak_o or_o not_o at_o all_o perform_v through_o that_o part_n which_o then_o grow_v cold_a for_o want_v of_o that_o constant_a fresh_a supply_n of_o blood_n which_o former_o keep_v it_o warm_a but_o herein_o the_o tonical_a motion_n be_v not_o a_o little_a help_v by_o exercise_n and_o labour_n which_o we_o find_v by_o experience_n to_o cause_v the_o heart_n to_o beat_v quick_a and_o often_o as_o also_o to_o induce_v a_o necessity_n of_o breathe_v more_o frequent_o and_o this_o it_o do_v no_o otherwise_o than_o by_o accelerate_v this_o circular_a motion_n of_o the_o blood_n which_o then_o enforce_v the_o heart_n and_o lung_n to_o double_a duty_n our_o second_o observable_a in_o this_o circular_a motion_n of_o the_o blood_n be_v that_o there_o pass_v as_o much_o blood_n from_o the_o right_a ventricle_n of_o the_o heart_n into_o the_o â—uâ—gs_n at_o every_o pulse_n take_v one_o time_n with_o another_o as_o be_v send_v from_o the_o left_a ventricle_n into_o all_o the_o part_n of_o the_o body_n beside_o nor_o can_v it_o be_v otherwise_o the_o left_a ventricle_n be_v supply_v from_o the_o lung_n only_o and_o the_o lung_n receive_v it_o not_o elsewhere_o than_o from_o the_o right_a ventricle_n of_o the_o heart_n so_o that_o to_o continue_v this_o circular_a motion_n of_o the_o blood_n it_o be_v necessary_a the_o supply_n neither_o exceed_v nor_o come_v short_a of_o that_o quantity_n dispense_v from_o the_o left_a ventricle_n of_o the_o heart_n into_o the_o whole_a body_n the_o lung_n except_v from_o hence_o it_o follow_v that_o there_o flow_v a_o great_a quantity_n of_o blood_n by_o many_o degree_n into_o the_o lung_n than_o what_o be_v sufficient_a for_o its_o own_o private_a use_n as_o also_o that_o the_o blood_n in_o the_o lung_n must_v of_o necessity_n move_v very_o much_o fast_o than_o it_o do_v in_o any_o part_n of_o the_o body_n though_o we_o take_v for_o example_n the_o great_a vein_n or_o artery_n themselves_o and_o that_o in_o the_o same_o proportion_n as_o the_o vena_fw-la arteriosa_fw-la and_o arteria_fw-la venosa_fw-la be_v small_a than_o the_o trunk_n of_o the_o foresay_a great_a vessel_n for_o let_v the_o same_o quantity_n of_o liquor_n be_v convey_v through_o a_o pipe_n who_o capacity_n be_v but_o one_o four_o or_o one_o ten_o so_o big_a as_o another_o pipe_n through_o which_o the_o like_a quantity_n must_v pass_v in_o the_o same_o time_n and_o it_o be_v evident_a the_o liquor_n must_v run_v four_o time_n or_o ten_o time_n as_o fast_o through_o the_o small_a pipe_n as_o it_o do_v through_o the_o great_a and_o thus_o it_o appear_v that_o a_o very_a considerable_a part_n of_o the_o mass_n of_o blood_n be_v continual_o run_v through_o the_o parenchyma_n of_o the_o lung_n and_o that_o at_o a_o much_o swift_a rate_n than_o it_o do_v through_o any_o part_n of_o the_o whole_a body_n beside_o 3._o far_o before_o we_o proceed_v to_o treat_v of_o the_o use_n of_o respiration_n it_o will_v not_o be_v amiss_o to_o consider_v what_o kind_n of_o motion_n that_o be_v which_o the_o lung_n be_v exercise_v with_o in_o breathe_v nor_o be_v it_o any_o other_o than_o a_o motion_n of_o dilatation_n and_o constriction_n whereby_o the_o lung_n be_v reciprocal_o open_v and_o shut_v somewhat_o after_o the_o manner_n of_o a_o pair_n of_o organ-bellow_n the_o air_n enter_v into_o they_o when_o dilate_a or_o open_v and_o recede_v again_o upon_o their_o subside_v and_o this_o be_v what_o we_o call_v respiration_n nor_o yet_o do_v this_o reciprocation_n of_o the_o lung_n proceed_v from_o any_o power_n to_o move_v they_o be_v endow_v with_o of_o themselves_o for_o if_o we_o consider_v the_o frame_n and_o structure_n of_o they_o they_o will_v appear_v of_o a_o parenchymous_n kind_n of_o substance_n not_o much_o unlike_o the_o liver_n and_o altogether_o void_a of_o muscle_n without_o which_o no_o local_a motion_n can_v be_v perform_v we_o may_v conclude_v therefore_o that_o the_o lung_n be_v move_v by_o consent_n and_o that_o chief_o of_o the_o diaphragme_n or_o midriff_n in_o a_o free_a and_o ordinary_a breathe_n but_o in_o any_o difficulty_n of_o breathe_v as_o in_o the_o asthma_n tabes_fw-la violent_a exercise_n etc._n etc._n not_o only_o the_o midriff_n but_o almost_o all_o the_o muscle_n of_o the_o
their_o burden_n and_o in_o case_n of_o hang_v or_o strangle_v let_v of_o blood_n in_o great_a quantity_n have_v sometime_o save_v man_n life_n that_o have_v be_v execute_v and_o this_o by_o no_o other_o way_n that_o i_o can_v think_v of_o than_o by_o help_v to_o discharge_v the_o lung_n of_o their_o oppression_n as_o have_v be_v already_o say_v 8._o and_o thus_o we_o have_v if_o our_o opinion_n fail_v we_o not_o discover_v the_o true_a use_n of_o respiration_n we_o have_v also_o of_o consequence_n free_v the_o heart_n of_o almost_o one_o half_a of_o the_o task_n impose_v on_o it_o by_o the_o modern_a physician_n for_o since_o the_o circulation_n of_o the_o blood_n consist_v of_o two_o part_n viz._n first_o the_o convey_v it_o from_o the_o heart_n or_o centre_n to_o the_o rest_n of_o the_o body_n as_o to_o a_o kind_n of_o natural_a circumference_n and_o second_o the_o return_v or_o bring_v back_o of_o the_o blood_n again_o to_o the_o heart_n the_o first_o part_n we_o conceive_v to_o be_v the_o office_n of_o the_o heart_n the_o second_o part_n seem_v to_o be_v the_o work_n of_o every_o particular_a member_n to_o discharge_v itself_o of_o its_o own_o superfluity_n for_o which_o purpose_n nature_n have_v endue_v they_o with_o a_o tone_n or_o tonical_a motion_n sufficient_a for_o that_o service_n the_o lung_n only_o except_v wherein_o nature_n have_v worthy_o employ_v her_o industry_n by_o the_o additional_a contrivance_n of_o respiration_n through_o the_o assistance_n of_o the_o diaphragme_n which_o labour_n of_o the_o lung_n in_o respiration_n for_o the_o return_v of_o the_o blood_n to_o the_o left_a ventricle_n of_o the_o heart_n seem_v to_o equal_v that_o of_o the_o tone_n or_o tonical_a motion_n of_o all_o the_o other_o part_n of_o the_o body_n for_o the_o lung_n convey_v the_o same_o quantity_n with_o all_o the_o rest_n that_o be_v to_o say_v the_o whole_a mass_n of_o blood_n through_o they_o and_o that_o in_o as_o little_a time_n as_o the_o same_o pass_v through_o the_o rest_n of_o the_o body_n and_o if_o it_o carry_v it_o not_o so_o far_o it_o move_v â—t_a so_o much_o the_o fast_o and_o so_o we_o shall_v have_v entitle_v the_o lung_n to_o one_o full_a quarter_n part_n of_o this_o work_n of_o the_o circulation_n of_o the_o blood_n leave_v a_o other_o quarter_n to_o the_o tonical_a motion_n of_o the_o body_n and_o the_o first_o and_o worthy_a half_n of_o dispense_n blood_n and_o life_n through_o the_o whole_a body_n to_o the_o heart_n as_o its_o proper_a office_n and_o duty_n what_o part_n the_o lung_n may_v just_o claim_v to_o themselves_o in_o the_o business_n of_o sanguification_n we_o shall_v more_o convenient_o find_v place_n to_o consider_v of_o in_o the_o follow_a chapter_n chap._n iu._n of_o sanguification_n 1._o the_o chyle_n when_o separate_v from_o the_o remain_v unprofitable_a part_n of_o our_o aliment_n be_v by_o proper_a vessel_n of_o its_o own_o the_o discovery_n of_o modern_a anatomist_n convey_v direct_o into_o the_o subclavial_a vein_n and_o from_o thence_o into_o the_o right_a ventricle_n of_o the_o heart_n where_o it_o be_v mingle_v with_o a_o large_a quantity_n of_o blood_n returning_z home_n by_o the_o great_a vein_n together_o with_o which_o it_o be_v immediate_o transmit_v to_o the_o lung_n where_o though_o it_o make_v great_a haste_n through_o and_o move_v very_o impetuous_o as_o have_v be_v say_v yet_o by_o reason_n of_o the_o length_n of_o the_o way_n it_o continue_v a_o considerable_a time_n and_o be_v more_o perfect_o mingle_v with_o the_o blood_n and_o wrought_v up_o together_o with_o it_o into_o one_o mass_n and_o at_o the_o same_o time_n acquire_v both_o the_o name_n and_o form_n of_o blood_n as_o physician_n term_v it_o and_o so_o be_v fit_v for_o the_o heart_n from_o thence_o to_o be_v distribute_v to_o the_o rest_n of_o the_o body_n where_o after_o what_o manner_n it_o be_v circulate_v we_o say_v not_o as_o a_o thing_n already_o sufficient_o know_v and_o whereof_o we_o have_v deliver_v our_o sense_n already_o 2._o that_o chyle_n be_v very_o easy_o mix_v with_o blood_n be_v evident_a for_o that_o it_o be_v the_o matter_n whereof_o all_o blood_n be_v make_v by_o a_o far_a continuation_n of_o that_o fermentation_n or_o concoction_n begin_v on_o it_o in_o the_o stomach_n nor_o yet_o be_v the_o proportion_n so_o great_a between_o they_o but_o that_o upon_o mingle_v the_o dissimilitude_n of_o part_n become_v immediate_o the_o cause_n of_o a_o extraordinary_a ebullition_n 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 almost_o all_o into_o a_o froth_n or_o foam_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 be_v not_o unlike_o what_o happen_v upon_o the_o mingle_v several_a chemical_a liquor_n together_o as_o spirit_n of_o wine_n and_o spirit_n of_o turpentine_n and_o other_o such_o like_a where_o the_o heat_n become_v so_o great_a that_o it_o often_o endanger_v the_o vessel_n they_o be_v contain_v in_o and_o this_o be_v the_o cause_n of_o that_o heat_n a_o while_n after_o meal_n discernible_a in_o hectical_a person_n and_o other_o otherwise_o affect_v and_o which_o in_o many_o appear_v by_o flushing_n in_o the_o face_n now_o that_o the_o blood_n be_v wrought_v up_o to_o that_o froth_n we_o speak_v of_o during_o its_o passage_n through_o the_o lung_n be_v not_o only_o suitable_a to_o reason_n but_o appear_v most_o evident_o in_o those_o sanguine_a excretion_n from_o the_o lung_n which_o happen_v in_o consumptive_a person_n nor_o do_v that_o frothiness_n then_o observable_a proceed_v from_o the_o mingle_n with_o it_o the_o air_n we_o breath_n for_o that_o at_o one_o breathe_v out_o or_o expiration_n can_v not_o be_v sufficient_o perform_v 3._o the_o blood_n by_o several_a very_o learned_a man_n have_v not_o unapt_o be_v compare_v to_o wine_n and_o in_o my_o opinion_n the_o chyle_n may_v as_o proper_o be_v liken_v to_o the_o juice_n new_o press_v out_o of_o the_o grape_n which_o if_o it_o be_v by_o certain_a interval_n in_o a_o due_a proportion_n pour_v gentle_o into_o new_a wine_n or_o must_v as_o it_o begin_v to_o cool_v will_v again_o renew_v its_o ebullition_n and_o continue_v the_o warmth_n of_o it_o to_o what_o degree_n be_v requisite_a and_o that_o so_o long_o as_o this_o practice_n shall_v be_v continue_v and_o from_o this_o illustration_n may_v be_v clear_o gather_v the_o necessity_n and_o use_n of_o eat_v at_o least_o within_o certain_a period_n or_o interval_n to_o wit_n that_o by_o the_o frequent_a affusion_n of_o chyle_n the_o blood_n may_v again_o recover_v its_o motion_n warmth_n and_o vigour_n without_o which_o supply_n it_o will_v soon_o languish_v cool_a and_o congeal_v and_o consequent_o death_n ensue_v now_o that_o the_o lung_n be_v indeed_o the_o principal_a officina_fw-la sanguinis_fw-la may_v be_v far_o collect_v from_o consumption_n of_o the_o lung_n wherein_o all_o part_n of_o the_o body_n be_v so_o sudden_o extenuate_v by_o the_o affection_n of_o the_o part_n 4._o it_o be_v probable_a that_o the_o blood_n during_o its_o stay_n in_o the_o lung_n do_v not_o actual_o dilate_v itself_o and_o rise_v into_o froth_n but_o only_o acquire_v a_o aptness_n so_o to_o do_v as_o soon_o as_o it_o be_v at_o a_o little_a more_o liberty_n as_o appear_v in_o blood_n spit_v out_o of_o they_o and_o consequent_o when_o it_o fall_v into_o the_o left_a ventricle_n of_o the_o heart_n it_o immediate_o dilate_v itself_o with_o great_a force_n in_o the_o manner_n of_o bottle_a beer_n and_o in_o this_o manner_n do_v for_o aught_o i_o know_v in_o great_a part_n become_v the_o cause_n of_o the_o diastole_n or_o expansion_n of_o the_o heart_n which_o be_v extend_v beyond_o its_o due_a and_o natural_a situation_n do_v again_o violent_o contract_v itself_o by_o a_o power_n almost_o all_o body_n have_v of_o restore_v themselves_o and_o which_o we_o call_v the_o tone_n or_o tonical_a motion_n and_o as_o we_o observe_v in_o a_o switch_n bow_v down_o or_o in_o a_o pendulum_n remove_v out_o of_o its_o place_n that_o they_o return_v beyond_o the_o perpendicular_a so_o it_o fare_v in_o this_o motion_n of_o the_o heart_n whereby_o it_o be_v again_o more_o contract_v than_o be_v natural_a to_o it_o and_o so_o of_o itself_o return_v again_o to_o expand_v itself_o and_o be_v again_o violent_o distend_v as_o before_o by_o the_o influx_n of_o more_o spumy_a blood_n from_o the_o lung_n now_o though_o it_o may_v be_v object_v that_o the_o pulse_n in_o the_o heart_n continue_v many_o time_n a_o long_a while_n after_o it_o be_v take_v out_o of_o the_o body_n and_o when_o there_o be_v no_o long_o any_o such_o influx_n to_o be_v pretend_v as_o the_o cause_n of_o it_o to_o this_o i_o answer_v that_o such_o pulse_n