idea_n the_o mesentery_n as_o it_o be_v call_v by_o anatomist_n mean_v a_o most_o curious_a network_n of_o innumerable_a porous_a string_n which_o fasten_v the_o entrail_n together_o in_o a_o circle_n and_o with_o their_o gape_a orifice_n devour_v and_o drink_v up_o the_o spirituous_a chyle_n throughout_o its_o passage_n thence_o be_v convey_v through_o those_o soment_v part_n and_o spongy_a kernel_n the_o clandule_n the_o supplement_n of_o life_n be_v by_o the_o constant_a motion_n of_o the_o diaphragm_n force_v and_o draw_v upward_o again_o but_o in_o a_o new_a way_n some_o into_o the_o liver_n some_o into_o other_o vessel_n but_o most_o into_o a_o common_a receptacle_n like_o a_o little_a lake_n whence_o it_o be_v carry_v on_o still_o further_o upward_o ibid._n wâ—â—eus_n ibid._n towards_o the_o neck_n there_o to_o be_v discharge_v into_o a_o great_a vein_n or_o canal_n of_o blood_n this_o constant_a course_n of_o the_o chyle_n prepare_v in_o the_o stomach_n and_o conduct_v through_o so_o many_o vessel_n be_v not_o discover_v so_o exact_o and_o particular_o till_o some_o late_a critic_n in_o anatomy_n make_v the_o strict_a search_n and_o though_o it_o may_v seem_v to_o lie_v out_o of_o a_o divine_n way_n yet_o because_o the_o speculation_n be_v so_o useful_a and_o important_a in_o the_o consequence_n as_o well_o as_o divert_v in_o itself_o i_o shall_v for_o once_o venture_v upon_o it_o a_o little_a further_o that_o milky_a substance_n the_o chyle_n be_v now_o commix_v and_o swim_v with_o the_o blood_n be_v instant_o transmit_v into_o the_o right-ventricle_n of_o the_o heart_n there_o as_o some_o have_v think_v to_o be_v turn_v into_o perfect_a blood_n of_o the_o form_n of_o its_o vehicle_n thence_o it_o run_v through_o a_o channel_n into_o the_o lung_n there_o to_o be_v enrich_v by_o impregnate_a particle_n from_o the_o air_n whence_o it_o take_v a_o circuit_n back_o again_o into_o the_o left-ventricle_n of_o the_o heart_n where_o be_v instant_o sublimate_v and_o make_v high_o spirituous_a it_o be_v eject_v thence_o up_o into_o a_o great_a artery_n which_o by_o innumerable_a branch_n convey_v it_o speedy_o over_o the_o whole_a body_n there_o by_o the_o assistance_n and_o supply_n of_o more_o spirit_n from_o the_o nerve_n to_o warm_v and_o comfort_n to_o enliven_v and_o invigorate_v to_o feed_v and_o nourish_v the_o several_a part_n and_o so_o the_o remainder_n return_v to_o be_v supply_v with_o fresh_a chyle_n to_o the_o heart_n again_o through_o vein_n which_o though_o they_o be_v numberless_a yet_o be_v the_o circulation_n so_o quick_a that_o the_o blood_n go_v through_o the_o heart_n as_o a_o very_a learned_a physician_n have_v cordc_fw-fr dr._n lower_v de_fw-fr cordc_fw-fr compute_v it_o no_o less_o than_o thirty_o time_n within_o the_o compass_n of_o and_o hour_n this_o i_o take_v to_o be_v the_o short_a account_n of_o nutrition_n especial_o in_o man_n wherein_o if_o there_o be_v any_o slight_a mistake_n i_o submit_v to_o the_o judgement_n of_o those_o of_o the_o noble_a faculty_n and_o profession_n who_o business_n it_o be_v to_o understand_v it_o much_o better_a and_o now_o consider_v the_o admirable_a usefulness_n of_o all_o those_o part_n which_o serve_v to_o these_o vital_a purpose_n i_o will_v ask_v any_o reasonable_a person_n whether_o mere_a chance_n or_o blind_a matter_n or_o any_o thing_n else_o without_o the_o skill_n and_o providence_n of_o a_o most_o wise_a be_v can_v contrive_v such_o artificial_a and_o wonderful_a method_n conveyance_n instrument_n and_o vessel_n of_o such_o various_a sort_n and_o all_o so_o curious_o form_v so_o orderly_o dispose_v and_o so_o exquisite_o connect_v and_o fit_v to_o bring_v about_o such_o necessary_a and_o excellent_a end_n if_o it_o be_v say_v that_o all_o these_o thing_n be_v do_v by_o common_a animal_n nature_n it_o be_v easy_o answer_v that_o nature_n of_o its_o self_n be_v without_o all_o understanding_n utter_o uncapable_a of_o forecast_n or_o cogitation_n and_o therefore_o show_v that_o there_o be_v a_o intelligent_a be_v over_o it_o that_o erect_v and_o order_v the_o business_n of_o nutrition_n which_o common_a nature_n never_o know_v either_o how_o to_o perfect_v and_o finish_v or_o how_o to_o begin_v nor_o indeed_o do_v humane_a reason_n itself_o help_v to_o carry_v it_o on_o as_o for_o instance_n a_o man_n deliberate_v indeed_o what_o he_o shall_v eat_v and_o what_o he_o shall_v drink_v for_o these_o be_v object_n which_o fall_v under_o consultation_n or_o at_o least_o fancy_n but_o when_o once_o his_o nutriment_n be_v cast_v down_o into_o the_o stomach_n there_o be_v a_o end_n of_o all_o deliberation_n as_o to_o the_o manner_n of_o digestion_n and_o of_o turn_v the_o digest_v matter_n into_o blood_n and_o spirit_n in_o the_o whole_a oeconomy_n of_o this_o affair_n reason_n have_v not_o the_o least_o hand_n nor_o do_v any_o man_n ever_o yet_o consider_v how_o he_o shall_v convert_v his_o food_n into_o chyle_n or_o convey_v it_o from_o the_o stomach_n to_o the_o mesentery_n or_o how_o he_o shall_v there_o separate_v it_o and_o so_o carry_v it_o to_o the_o heart_n the_o great_a politician_n in_o the_o world_n never_o yet_o think_v of_o manage_v this_o intrigue_n nature_n indeed_o do_v the_o thing_n to_o his_o hand_n but_o because_o that_o principle_n of_o life_n which_o we_o call_v nature_n be_v utter_o void_a of_o all_o policy_n and_o thought_n we_o must_v rational_o conclude_v that_o there_o be_v a_o be_v of_o excellent_a knowledge_n and_o wisdom_n that_o be_v a_o deity_n which_o have_v contrive_v these_o operation_n for_o nature_n and_o have_v direct_v and_o fix_v the_o method_n of_o they_o if_o it_o be_v say_v again_o that_o nature_n operate_v thus_o in_o a_o mechanical_a way_n by_o force_v and_o thrust_v on_o the_o chyle_n and_o blood_n like_o the_o art_n and_o method_n use_v in_o water-work_n it_o may_v be_v very_o reasonable_o demand_v who_o invent_v this_o art_n for_o nature_n who_o at_o first_o put_v that_o unintelligent_a and_o blind_a thing_n upon_o it_o and_o what_o hand_n prepare_v that_o stupendous_a course_n and_o instrument_n it_o be_v to_o use_v in_o order_n to_o the_o animal_n nutrition_n nay_o who_o contrive_v the_o animal_n itself_o and_o design_v the_o nourishment_n of_o it_o or_o if_o these_o question_n be_v not_o enough_o we_o may_v very_o well_o ask_v the_o great_a pretender_n to_o reason_n one_o more_o viz._n how_o the_o circulation_n of_o the_o blood_n which_o be_v so_o demonstrable_a be_v so_o constant_o perform_v and_o so_o quick_o finish_v in_o its_o periodical_a course_n for_o here_o the_o great_a artist_n be_v divide_v 462._o disp_n de_fw-fr deo_fw-la p._n 462._o in_o their_o opinion_n whether_o the_o reduction_n of_o the_o blood_n to_o the_o heart_n through_o the_o vein_n be_v by_o the_o inosculation_n of_o the_o vein_n and_o artery_n a_o opinion_n which_o seem_v to_o be_v out_o of_o door_n or_o by_o the_o porosity_n of_o the_o fleshy_a part_n or_o by_o the_o systaltick_a motion_n as_o some_o call_v it_o in_o the_o vein_n themselves_o as_o to_o this_o man_n of_o the_o best_a skill_n be_v yet_o to_o seek_v how_o to_o give_v a_o clear_a and_o satisfactory_a account_n of_o the_o manner_n of_o the_o circulation_n of_o the_o blood_n though_o the_o circulation_n itself_o be_v apparent_a which_o to_o i_o be_v a_o argument_n that_o the_o whole_a method_n of_o nutrition_n in_o we_o be_v institute_v and_o be_v still_o carry_v on_o by_o a_o divine_a be_v which_o have_v make_v some_o thing_n undiscoverable_a by_o humane_a art_n that_o by_o the_o mystery_n we_o find_v in_o nature_n we_o may_v be_v the_o more_o easy_o prevail_v on_o to_o believe_v the_o sublimest_n truth_n in_o religion_n 2._o have_v thus_o observe_v the_o first_o thing_n which_o tend_v to_o the_o preservation_n of_o that_o nature_n which_o be_v common_a to_o man_n and_o beast_n the_o work_n of_o nutrition_n that_o be_v perform_v in_o the_o bowel_n let_v we_o in_o the_o next_o place_n consider_v brief_o the_o second_o thing_n or_o the_o business_n of_o sensation_n that_o be_v perform_v in_o the_o head_n both_o inward_o in_o the_o fancy_n and_o outward_o by_o the_o instrument_n of_o sensation_n as_o the_o eye_n the_o ear_n and_o the_o like_a which_o convey_v to_o the_o fancy_n all_o sensible_a object_n from_o abroad_o and_o here_o i_o must_v not_o be_v so_o vain_a as_o to_o pretend_v to_o give_v a_o distinct_a accurate_a and_o full_a account_n of_o all_o the_o operation_n of_o nature_n and_o of_o its_o hide_a mean_n and_o manner_n of_o work_v no_o it_o be_v enough_o for_o one_o of_o my_o profession_n to_o take_v such_o a_o summary_n notice_n of_o those_o thing_n which_o serve_v for_o sensation_n as_o may_v satisfy_v any_o reasonable_a person_n that_o the_o whole_a work_n of_o sensation_n argue_v wonderful_a wisdom_n and_o contrivance_n and_o consequent_o the_o existence_n of_o a_o god_n
hand_n every_o way_n as_o occasion_n require_v the_o fitness_n of_o the_o flesh_n skin_n and_o the_o very_a nail_n for_o their_o respective_a office_n and_o upon_o the_o whole_a they_o conclude_v that_o no_o art_n can_v possible_o have_v contrive_v this_o member_n better_o or_o more_o apposite_o for_o its_o uses_n and_o that_o great_a inconvenience_n must_v have_v follow_v have_v any_o thing_n in_o it_o be_v otherwise_o than_o just_a as_o every_o thing_n be_v if_o now_o with_o this_o hand_n you_o dissect_v the_o lung_n of_o a_o animal_n you_o may_v see_v the_o stupendous_a wisdom_n and_o skill_n that_o be_v show_v in_o the_o contrivance_n of_o that_o whole_a pendulous_a fabric_n for_o the_o draw_v in_o and_o digest_v the_o nitrous_a particle_n of_o the_o air_n for_o the_o disperse_v of_o it_o into_o every_o lobe_n and_o lesser_a receptacle_n for_o respiration_n by_o the_o alternate_a shrink_n and_o stretch_v of_o the_o fibre_n there_o for_o convey_v blood_n out_o of_o the_o heart_n and_o back_o again_o into_o it_o for_o govern_v and_o modulate_v the_o voice_n for_o keep_v the_o windpipe_n continual_o open_a by_o circular_a cartilage_n or_o grisle_n and_o for_o defend_v it_o by_o a_o muscular_a membrane_n at_o the_o root_n of_o the_o tongue_n which_o upon_o occasion_n shut_v down_o like_o a_o clap-door_n to_o keep_v every_o thing_n but_o air_n from_o descend_v into_o the_o lung_n to_o your_o finger_n end_n you_o feel_v the_o pulsation_n of_o the_o heart_n on_o which_o depend_v the_o circulation_n of_o the_o blood_n that_o be_v the_o immediate_a spring_n and_o prop_n of_o life_n and_o do_v you_o distinst_o perceive_v the_o manner_n of_o its_o quick_a course_n from_o the_o heart_n round_o to_o the_o heart_n again_o do_v you_o see_v the_o texture_n of_o the_o artery_n which_o serve_v to_o carry_v it_o off_o the_o intricate_a passage_n of_o it_o even_o through_o the_o little_a cavity_n of_o the_o bone_n the_o force_n whereby_o it_o be_v propel_v and_o drive_v on_o forward_o upon_o every_o new_a pulsation_n the_o watery_a particle_n which_o drop_v into_o it_o by_o the_o way_n to_o thin_v it_o and_o thereby_o to_o assist_v its_o motion_n those_o vessel_n they_o call_v the_o glandule_n and_o lymphduct_n out_o of_o which_o those_o watery_a particle_n be_v derive_v the_o conveyance_n by_o which_o it_o run_v out_o of_o the_o artery_n into_o innumerable_a vein_n and_o little_a branch_n of_o vein_n the_o valve_n in_o they_o which_o keep_v it_o from_o flow_a back_n the_o frame_n and_o wind_n of_o those_o canal_n which_o lead_v it_o on_o to_o the_o heart_n the_o open_n of_o the_o heart_n to_o receive_v it_o when_o it_o be_v come_v to_o the_o door_n of_o the_o right-ventricle_n and_o those_o muscular_a membrane_n the_o valve_n which_o be_v so_o artificial_o provide_v to_o open_v forward_o into_o that_o ventricle_n to_o let_v the_o blood_n in_o and_o then_o shut_v to_o like_a trapdoor_n to_o hinder_v the_o blood_n from_o recoil_n the_o same_o way_n do_v you_o i_o say_v distinct_o perceive_v all_o this_o mysterious_a process_n and_o structure_n no_o more_o will_v be_v needful_a to_o make_v you_o sensible_a of_o the_o great_a reason_n which_o the_o holy_a psalmist_n have_v for_o those_o expression_n psal_n 139._o 14._o o_o lord_n i_o will_v praise_v thou_o for_o i_o be_o fearful_o and_o wonderful_o make_v marvellous_a be_v thy_o work_n and_o that_o my_o soul_n know_v right_a well_o beside_o these_o miracle_n of_o divine_a wisdom_n 81._o bish_n wilkin_n nat._n rel._n p._n 81._o within_o we_o i_o may_v lead_v you_o on_o to_o a_o further_a view_n of_o the_o various_a fortification_n of_o nature_n which_o be_v more_o outward_a a_o structure_n of_o six_o hundred_o several_a muscle_n in_o each_o whereof_o be_v at_o least_o ten_o several_a intention_n or_o due_a qualification_n to_o be_v observe_v proper_a figure_n just_a magnitude_n right_a disposition_n of_o its_o several_a end_n upper_a and_o low_a position_n of_o the_o whole_a the_o insertion_n of_o its_o proper_a nerve_n vein_n and_o artery_n which_o be_v each_o of_o they_o to_o be_v due_o place_v so_o that_o about_o the_o muscle_n alone_o no_o less_o than_o six_o thousand_o several_a end_n or_o aim_n be_v to_o be_v attend_v to_o the_o bone_n be_v reckon_v to_o be_v two_o hundred_o eighty_o four_o the_o distinct_a scope_n or_o intention_n in_o each_o of_o these_o be_v above_o forty_o in_o all_o about_o a_o hundred_o thousand_o and_o thus_o be_v it_o in_o some_o proportion_n with_o all_o the_o other_o part_n the_o skin_n ligament_n vessel_n glandule_n humour_n but_o more_o especial_o with_o the_o several_a member_n of_o the_o body_n which_o do_v in_o regard_n of_o the_o great_a variety_n and_o multitude_n of_o those_o several_a intention_n require_v to_o they_o very_o much_o exceed_v the_o homogeneous_a part_n and_o the_o fail_n of_o any_o one_o in_o these_o will_v cause_v a_o irregularity_n in_o the_o body_n and_o in_o many_o of_o they_o such_o as_o will_v be_v very_o notorious_a but_o because_o i_o have_v just_o mention_v the_o pulsation_n of_o the_o heart_n i_o shall_v close_v up_o this_o speculation_n by_o observe_v a_o little_a the_o amaze_a work_n of_o nature_n there_o as_o the_o sun_n be_v 8._o cor_fw-la principium_fw-la aquavitae_fw-la &_o sol_fw-la microcosmi_fw-la ut_fw-la proportionabiliter_fw-la sol_fw-la cor_fw-la mundi_fw-la appellari_fw-la meretur_fw-la cujus_fw-la virtute_fw-la &_o pulsu_fw-la sanguis_fw-la movetur_fw-la perficitur_fw-la vegetatur_fw-la &_o a_o corruption_n &_o grumefactione_n vindicatur_fw-la suumque_fw-la officium_fw-la nutriendo_fw-la fovendo_fw-la vegetando_fw-la toti_fw-la corpori_fw-la praestat_fw-la lar_n ille_fw-la famaliaris_fw-la fundamentum_fw-la viâ—ae_fw-la auctor_fw-la omnium_fw-la harv_n de_fw-fr mortu_fw-la cordis_n exerc._n 1_o cap._n 8._o to_o this_o low_a world_n so_o be_v the_o heart_n to_o every_o sensitive_a creature_n a_o fountain_n of_o life_n by_o the_o virtue_n and_o motion_n whereof_o the_o blood_n be_v move_v perfect_v invigorate_v preserve_v from_o corruption_n and_o perform_v its_o office_n by_o nourish_v cherish_v and_o invigogorate_n the_o whole_a body_n after_o the_o open_n of_o the_o heart_n to_o let_v the_o blood_n in_o on_o the_o rightside_n there_o follow_v a_o strong_a constriction_n or_o shut_v up_o of_o the_o heart_n to_o throw_v it_o out_o on_o the_o left_a and_o that_o vibration_n or_o beat_v which_o we_o feel_v then_o be_v usual_o call_v the_o pulse_n whereby_o the_o blood_n be_v cast_v and_o force_v into_o all_o part_n for_o nutrition_n every_o where_o and_o to_o cause_v its_o return_n round_o about_o to_o the_o heart_n again_o when_o all_o part_n have_v be_v feed_v with_o some_o portion_n of_o it_o now_o let_v any_o reasonable_a man_n view_v distinct_o the_o contexture_n and_o frame_n of_o a_o animal_n heart_n and_o then_o let_v he_o lay_v his_o hand_n upon_o his_o own_o and_o ask_v his_o conscience_n serious_o whether_o any_o thing_n but_o the_o high_a reason_n and_o wisdom_n can_v contrive_v that_o little_a but_o most_o necessary_a member_n for_o its_o respective_a uses_n for_o the_o clear_n of_o this_o let_v we_o consider_v a_o little_a the_o artificial_a work_n of_o nature_n both_o at_o the_o first_o formation_n and_o motion_n and_o of_o the_o heart_n and_o in_o its_o subsequent_a operation_n 1._o and_o first_o as_o to_o the_o primordial_a rudiment_n of_o this_o great_a prop_n of_o life_n suppose_v the_o original_a principle_n of_o life_n to_o be_v enclose_v within_o a_o round_a muscular_a substance_n like_o a_o little_a bladder_n which_o in_o time_n become_v a_o full_a perfect_a heart_n suppose_v what_o a_o most_o learned_a 17._o harv_n de_fw-fr motu_fw-la cordis_n exer._n 1._o cap._n 4._o &_o cap._n 17._o anatomist_n tell_v we_o this_o small_a muscular_a substance_n like_o a_o drop_n of_o blood_n or_o a_o red_a point_n to_o palpitate_v stir_v and_o beat_v and_o by_o that_o motion_n to_o form_n direct_o those_o side_n vessel_n above_o upon_o the_o basis_n of_o the_o heart_n which_o they_o call_v the_o auricles_n or_o ear_n and_o which_o be_v the_o next_o part_n that_o move_v suppose_v all_o this_o as_o plain_a matter_n of_o fact_n we_o must_v conclude_v hence_o that_o this_o motion_n thus_o exert_v communicate_v and_o carry_v on_o be_v perform_v by_o those_o contrivance_n of_o nature_n which_o be_v the_o necessary_a instrument_n of_o motion_n and_o consequent_o that_o those_o instrument_n be_v already_o in_o be_v and_o what_o think_v you_o be_v those_o contrivance_n why_o they_o go_v under_o the_o name_n of_o fibres_n and_o be_v in_o every_o heart_n that_o be_v full_o form_v like_o the_o fine_a thread_n and_o therefore_o may_v be_v well_o suppose_v to_o be_v at_o the_o first_o formation_n hardly_o so_o big_a as_o the_o fine_a hair_n on_o these_o small_a exquisite_a instrument_n of_o motion_n the_o life_n of_o man_n and_o other_o animal_n original_o and_o constant_o depend_v and_o as_o they_o either_o
stretch_v or_o shrink_v so_o do_v the_o whole_a heart_n open_a or_o shut_v and_o so_o do_v that_o vehicle_n of_o life_n the_o blood_n run_v without_o these_o fibre_n or_o heartstring_n it_o be_v impossible_a for_o the_o punctum_fw-la sanguineum_fw-la or_o that_o first_o rudiment_n of_o a_o animal_n like_v to_o a_o drop_n of_o blood_n to_o vibrate_v or_o move_v or_o exert_v its_o faculty_n much_o less_o to_o fashion_v a_o auricle_n which_o be_v a_o fibrous_a part_n also_o that_o open_v and_o shut_v to_o let_v in_o and_o force_v out_o the_o blood_n as_o the_o heart_n itself_o do_v which_o immediate_o receive_v the_o blood_n from_o it_o and_o now_o to_o argue_v hence_o a_o little_a what_o do_v these_o artificial_a beginning_n of_o nature_n show_v but_o the_o wonderful_a wisdom_n skill_n and_o power_n of_o a_o divine_a mind_n and_o consequent_o the_o existence_n of_o a_o god_n that_o do_v order_v all_o the_o least_o tendency_n to_o life_n after_o such_o a_o exact_a exquisite_a and_o stupendous_a manner_n for_o though_o in_o all_o this_o nature_n be_v the_o immediate_a agent_n yet_o that_o be_v of_o itself_o a_o blind_a unthinking_a inartificial_a thing_n though_o it_o be_v a_o active_a vivisick_n formative_a principle_n whatever_o the_o substance_n of_o it_o be_v whether_o material_a or_o not_o yet_o it_o be_v without_o all_o consciousness_n all_o sagacity_n all_o forecast_n and_o knowledge_n and_o therefore_o can_v be_v suppose_v to_o contrive_v or_o project_n or_o to_o act_v by_o any_o wisdom_n of_o its_o own_o and_o yet_o so_o wise_a be_v those_o contrivance_n which_o be_v the_o origen_n of_o every_o animal_n life_n so_o admirable_o design_v so_o sit_o and_o apposite_o form_v in_o order_n to_o their_o end_n that_o the_o whole_a fabrication_n show_v it_o to_o come_v from_o the_o counsel_n will_n and_o direction_n of_o a_o most_o intelligent_a be_v in_o who_o hand_n nature_n be_v and_o under_o who_o it_o operate_v it_o require_v no_o little_a art_n to_o dissect_v a_o heart_n after_o a_o proper_a manner_n to_o expose_v these_o rudiment_n of_o life_n to_o your_o view_n to_o show_v you_o their_o dependency_n upon_o tendon_n their_o figure_n position_n and_o intertexture_n and_o after_o all_o this_o curiosity_n to_o delineate_v they_o upon_o paper_n and_o to_o give_v you_o with_o a_o pen_n a_o little_a resemblance_n and_o idea_n of_o they_o this_o be_v enough_o to_o exercise_v and_o show_v the_o skill_n of_o the_o wise_a artist_n upon_o earth_n and_o then_o how_o great_a must_v the_o wisdom_n and_o skill_n of_o that_o intelligent_a agent_n be_v who_o so_o admirable_o contrive_v the_o original_a formation_n and_o structure_n of_o they_o 2._o as_o to_o subsequent_a operation_n of_o nature_n for_o the_o perfect_a of_o the_o heart_n with_o all_o its_o part_n and_o mere_a appendage_n we_o be_v tell_v that_o by_o the_o first_o pulsation_n of_o the_o spring_a heart_n the_o part_n of_o a_o animal_n be_v now_o lay_v out_o and_o form_v gradual_o that_o prime_a vessel_n of_o life_n increase_v and_o come_v to_o discharge_v its_o office_n to_o the_o full_a be_v now_o well_o furnish_v with_o all_o necessary_n for_o it_o so_o that_o as_o one_o ear_n receive_v the_o blood_n out_o of_o a_o great_a vein_n and_o then_o by_o its_o constriction_n send_v it_o out_o into_o the_o right-bosom_n of_o the_o heart_n so_o that_o heart_n by_o its_o own_o constriction_n force_v it_o thence_o into_o the_o lung_n whence_o it_o be_v agitate_a round_n into_o the_o left_a and_o so_o transmit_v into_o the_o other_o bosom_n thence_o to_o cast_v by_o a_o new_a constriction_n into_o a_o artery_n they_o call_v the_o aorta_fw-mi which_o like_o a_o great_a pipe_n lay_v into_o a_o fountain_n convey_v it_o into_o many_o other_o by_o which_o mean_v every_o particle_n over_o the_o whole_a body_n be_v feed_v irrigate_v and_o refresh_v all_o which_o wonderful_a work_n of_o nature_n be_v perfome_v immediate_o by_o the_o fibre_n those_o instrument_n of_o motion_n i_o speak_v of_o before_o which_o the_o heart_n be_v now_o grow_v corpulent_a act_n with_o violence_n and_o be_v strong_a and_o visible_a some_o lie_v in_o direct_a line_n from_o the_o tip_n of_o the_o heart_n to_o the_o crown_n other_o cross_v wise_a in_o the_o form_n of_o a_o circle_n other_o in_o oblique_a or_o wind_a line_n all_o meeting_n within_o the_o tip_n as_o in_o a_o knot_n or_o centre_n and_o fasten_v above_o to_o round_a tendon_n like_o string_n tie_v to_o a_o hoop_n so_o that_o the_o heart_n be_v full_a of_o blood_n as_o the_o tip_n make_v its_o effort_n upward_o so_o all_o the_o fibre_n conspire_v from_o every_o part_n by_o a_o joint_a compressure_n to_o throw_v the_o blood_n out_o and_o then_o dilate_v themselves_o again_o for_o the_o reception_n of_o a_o new_a supplement_n and_o by_o this_o alternate_a motion_n of_o these_o fibre_n every_o minute_n be_v the_o life_n of_o man_n preserve_v i_o can_v well_o omit_v one_o very_o material_a observation_n more_o concern_v these_o artificial_a contrivance_n which_o argue_v the_o existence_n of_o a_o most_o wise_a be_v the_o author_n and_o director_n of_o nature_n and_o it_o be_v this_o that_o in_o all_o the_o innumerable_a canal_n of_o blood_n which_o transmit_v it_o to_o and_o from_o the_o heart_n there_o be_v as_o indeed_o in_o the_o several_a conveyance_n of_o the_o chyle_n muscular_a membrane_n or_o valve_n provide_v i_o can_v compare_v they_o better_o than_o to_o sluce-door_n which_o open_v always_o before_o the_o current_n to_o let_v it_o pass_v forward_o but_o upon_o occasion_n shut_v to_o hinder_v it_o from_o return_v the_o same_o way_n and_o this_o be_v especial_o observable_a in_o those_o vessel_n which_o be_v in_o and_o about_o the_o heart_n where_o the_o constriction_n and_o pulsation_n be_v so_o violent_a will_v cause_v the_o vital_a stream_n to_o slow_a back_n do_v not_o the_o shut_n of_o these_o valve_n prevent_v it_o before_o every_o pulsation_n hence_o it_o be_v that_o the_o blood_n be_v force_v onward_o and_o be_v circulate_v every_o moment_n these_o sluce-door_n stop_v all_o reflux_n and_o a_o flood_n behind_o they_o still_o press_v on_o till_o the_o heart_n by_o its_o constriction_n evacuate_v itself_o and_o drive_v the_o current_n forward_o still_o somewhat_o like_o a_o engine_n in_o water_n work_v which_o together_o with_o the_o other_o remarkable_a effect_n of_o nature_n show_v that_o every_o the_o least_o part_n within_o we_o be_v most_o wise_o sit_v for_o its_o proper_a use_n and_o that_o the_o whole_a structure_n be_v so_o congruous_o order_v that_o nothing_o be_v vain_a impertinent_a or_o superfluous_a nothing_o that_o can_v be_v spare_v without_o disturbance_n damage_n and_o danger_n to_o the_o fabric_n and_o consequent_o that_o there_o be_v nothing_o but_o what_o be_v a_o evidence_n of_o counsel_n foresight_n and_o astonish_a skill_n in_o a_o superior_a agent_n frame_v and_o direct_v nature_n after_o a_o most_o excellent_a manner_n that_o be_v a_o deity_n i_o have_v take_v the_o liberty_n to_o venture_v upon_o these_o anatomical_a speculation_n though_o some_o may_v think_v they_o a_o little_a too_o much_o out_o of_o my_o way_n partly_o to_o raise_v in_o people_n mind_n the_o great_a sense_n of_o god_n by_o the_o stupendous_a operation_n of_o his_o hand_n which_o they_o carry_v about_o with_o they_o and_o which_o they_o find_v at_o home_n in_o their_o own_o body_n partly_o to_o excite_v they_o to_o all_o act_n of_o praise_n and_o thankfulness_n for_o such_o miracle_n of_o god_n providence_n and_o partly_o to_o move_v they_o to_o all_o sobricty_n and_o regularity_n of_o life_n intemperance_n and_o debauchery_n be_v quite_o distant_a from_o the_o end_v of_o our_o formation_n and_o utter_o inconsistent_a with_o the_o reason_n of_o it_o nay_o destructive_a of_o they_o and_o therefore_o people_n shall_v be_v very_o careful_a not_o to_o abuse_v so_o excellent_a a_o piece_n of_o workmanship_n on_o which_o such_o elegance_n of_o art_n and_o care_n have_v be_v bestow_v especial_o consider_v how_o weak_a the_o stamina_n vitoe_n all_o the_o thread_n be_v on_o which_o our_o life_n depend_v how_o frail_a as_o well_o as_o curious_a the_o whole_a web_n of_o nature_n be_v and_o how_o soon_o we_o may_v be_v force_v away_o to_o the_o divine_a tribunal_n shall_v but_o a_o few_o fibres_fw-fr break_v but_o to_o evade_v the_o force_n of_o this_o whole_a argument_n for_o the_o existence_n of_o a_o god_n lewd_a sceptic_n be_v ready_a to_o tell_v we_o from_o that_o old_a epicurean_a and_o atheist_n lucretius_n that_o though_o many_o good_a uses_n of_o thing_n have_v be_v sound_a out_o and_o the_o thing_n be_v sit_o apply_v to_o those_o use_n yet_o these_o use_n be_v never_o design_v but_o fall_v out_o casual_o and_o consequent_o be_v not_o proof_n of_o a_o understanding_n intend_v cause_n or_o a_o deity_n and_o to_o this_o purpose_n a_o learned_a writer_n give_v