Video: Dab tsi yog ob chav ncig piav qhia nrog daim duab?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ob chav ncig :: Cov ntshav ntws ob zaug hla lub plawv thiab nws hu ua ob chav ncig . 1) Cov ntshav los ntawm txhua qhov ntawm lub cev tau coj mus rau sab xis uas tso nws mus rau sab xis. Fron txoj cai ventricle ntshav yog pumped mus rau lub ntsws (los ntawm pulmonary hlab ntsha) rau oxygenation.
Ib yam li ntawd, koj tuaj yeem nug, dab tsi yog txhais los ntawm ob txoj kev ncig?
Feem ntau ntawm cov tsiaj txhu (nrog rau tib neeg) siv a ob chav circulatory lawv. Qhov no txhais tau tias peb muaj ob lub voj voog hauv peb lub cev uas cov ntshav ncig. Ib qho yog oxygenated, lub ntsiab lus oxygen nplua nuj, thiab lwm yam yog deoxygenated, uas txhais tau hais tias nws tsis muaj oxygen, tab sis ntau cov pa roj carbon dioxide.
Tsis tas li, dab tsi yog ob npaug ncig sau nws qhov tseem ceeb? Hauv ob chav ncig , cov ntshav ntws ob zaug los ntawm lub plawv, thaum txhua lub voj voog ntawm lub cev. Ob chav ncig yog tseem ceeb kom cov ntshav oxygenated thiab deoxygenated sib cais ntawm ib leeg hauv lub cev thiab tiv thaiv lawv qhov sib xyaw. Xws li kev sib cais tso cai rau cov khoom noj muaj txiaj ntsig zoo ntawm oxygen rau lub cev.
Yog li ntawd, ob lub voj voog luv yog dab tsi?
Cov ntshav oxygenated los ntawm lub ntsws rov qab mus rau lub plawv, uas tau tso tawm mus rau lwm qhov ntawm lub cev los ntawm lub plawv. Yog li, cov ntshav dhau ob zaug los ntawm lub plawv ua ib puag ncig tag nrho hauv lub cev. Qhov no hu ua ob chav ncig.
Dab tsi yog ob chav ncig Brainly?
Ob chav ncig yog ib qho txheej txheem uas cov ntshav dhau mus ob zaug los ntawm lub plawv thaum ib lub voj voog ua tiav. Los ntawm cov ntaub so ntswg, cov ntshav deoxygenated yog sau los ntawm venules, veins, thiab vena cava, thiab emptied rau hauv txoj cai auricle.
Pom zoo:
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