Video: Yuav muaj dab tsi tshwm sim yog tias sab laug ntawm koj lub plawv chav puv nrog cov ntshav deoxygenated?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov pa oxygen ntau ntshav yog pumped tawm ntawm sab laug ntawm koj lub siab (qhia rau cov txoj cai nyob rau hauv cov diagram) ua cov cov hlab ntsha rau cov ntaub so ntswg thiab kabmob. Qhov no ntshav uas xav tau oxygen (thiaj li hu ua deoxygenated ntshav ) raug xa mus rau koj lub ntsws kom khaws cov pa oxygen thiab tshem tawm cov pa roj carbon dioxide.
Ib yam li ntawd, koj tuaj yeem nug, cov chav hauv qab no ntawm lub plawv muaj ntshav deoxygenated?
txoj cai atrium
Kuj Paub, yuav ua li cas ntshav ntws hauv thiab tawm ntawm lub plawv? Ntshav nkag mus rau plawv dhau los ntawm ob txoj hlab ntshav loj, qis dua thiab zoo dua vena cava, tshem cov pa oxygen tsis zoo ntshav los ntawm lub cev mus rau sab xis atrium ntawm plawv . Raws li daim ntawv cog lus ventricle, ntshav tawm los plawv los ntawm lub ntsws ntsws, mus rau hauv cov hlab ntsws thiab mus rau lub ntsws uas nws muaj oxygen.
Tsis tas li, sab laug ntawm lub plawv tso ntshav mus rau qhov twg?
Cov sab xis ntawm koj plawv tau txais oxygen-pluag qov av koj lub cev thiab twj nws mus rau koj lub ntsws, qhov uas nws khaws cov pa oxygen thiab tshem tawm cov pa roj carbon dioxide. Cov sab laug ntawm koj plawv tau txais cov nplua nuj oxygen qov av koj lub cev thiab twj nws hla koj cov hlab ntsha mus rau tag nrho koj lub cev.
Ntawm qhov chaw deoxygenated ntshav huv?
Sab xis twj deoxygenated ntshav (cov pa oxygen tsawg thiab cov pa roj carbon dioxide siab) mus rau lub ntsws. Sab laug sab twj cov ntshav oxygenated (cov pa oxygen siab thiab qis carbon dioxide) mus rau cov kabmob hauv lub cev. Deoxygenated ntshav nkag mus rau sab xis atrium los ntawm vena cava. Ntshav txav mus rau sab xis ventricle.
Pom zoo:
Dab tsi yog txoj haujlwm ntawm sab laug sab laug sab laug?
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Dab tsi tshwm sim rau cov pa roj carbon dioxide ua ntej cov ntshav nkag mus rau sab laug ntawm lub plawv?
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Dab tsi yog lub npe ntawm cov hlab ntshav uas nqa ntshav ntshav los ntawm lub taub hau caj dab thiab caj npab mus rau sab xis atrium?
Superior vena cava