![Thawj qhov kev cog lus ntawm lub plawv nyob qhov twg? Thawj qhov kev cog lus ntawm lub plawv nyob qhov twg?](https://i.answers-medical.com/preview/medical-health/13904962-where-does-the-first-contraction-of-the-heart-take-place-j.webp)
Video: Thawj qhov kev cog lus ntawm lub plawv nyob qhov twg?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Txoj Kev: Ntshav tso cai nkag mus rau qhov tso pa tawm
Hais txog qhov no, yuav pib lub plawv dhia li cas?
Cov kev xav pib hauv pob me me ntawm cov hlwb tshwj xeeb nyob hauv sab xis atrium, hu ua SA node. Cov hluav taws xob ua haujlwm kis mus rau ntawm phab ntsa ntawm atria thiab ua rau lawv cog lus. Qhov no ua rau cov ntshav nkag mus rau hauv lub ntsws. SA node teev tus nqi thiab kev sib dhos ntawm koj lub plawv dhia.
Tsis tas li, qhov kev sib tw ntawm txoj hlab ntshav sab xis ua dab tsi? Kev cog lus ntawm txoj cai ventricle ua ntshav kom ntws los ntawm lwm txoj hauv kev valve thiab mus rau lub ntsws qhov uas nws tau nqus nrog cov pa. Zoo li txoj cai sab, cov ntshav ntws ntawm sab laug travels los ntawm sab laug atrium hla lub valve mus rau hauv sab laug ventricle , dhau los ntawm lwm lub valve thiab mus rau cov txheej txheem ua haujlwm.
Yog li ntawd, yuav muaj dab tsi tshwm sim thaum lub sij hawm ventricular systole quizlet?
Atria phab ntsa daim ntawv cog lus yuam kom muaj ntshav ntau ntxiv rau hauv lub ntsws . Theem 2: Ventricular systole : Ventricles daim ntawv cog lus los ntawm lub hauv paus nce siab ntxiv, thawb cov ntshav nce thiab tawm los ntawm qhov nruab nrab semilunar li qub mus rau hauv aorta ntawm sab laug thiab cov hlab ntsws ntawm sab xis.
Dab tsi yog daim ntawv xeem lub plawv dhia?
Lub plawv dhia : lub sijhawm b/w ib lub plawv dhia thiab tom ntej no suav nrog kev cog lus (systole) thiab so (diastole) Thaum pib ntawm plawv plawv : tag nrho cov phab ntsa hauv lub plawv tau so, cov phab ntsa hauv lub ntsws tau nthuav tawm, AV li qub tau qhib, lub semilunar li qub raug kaw, atrium muaj qee cov ntshav hauv lawv tab sis tsis ntau.
Pom zoo:
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