Video: Vim li cas cov hlab plawv tseem ceeb?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov kab mob plawv xa oxygen, as-ham, tshuaj hormones, thiab lwm yam tseem ceeb cov tshuaj rau cov cell thiab cov kabmob hauv lub cev. Nws ua si ib tseem ceeb lub luag haujlwm pab lub cev ua tau raws li qhov xav tau ntawm kev ua si, kev tawm dag zog, thiab kev ntxhov siab. Nws kuj tseem pab tswj lub cev kub, nrog rau lwm yam.
Hauv qhov no, vim li cas cov hlab plawv tseem ceeb?
Txhim kho plawv kev qoj ib ce txhais tau tias koj lub plawv thiab lub ntsws muaj peev xwm ua kom muaj oxygen ntau ntxiv hauv cov ntshav rau koj cov leeg. Tsis tas li ntawd, nws tseem txhawb nqa koj cov leeg lub peev xwm los siv cov pa oxygen, yog li txhawb cov metabolism thiab muab lub zog txaus rau roj txav.
Tom qab ntawd, lo lus nug yog, vim li cas cov hlab plawv system tseem ceeb hauv kev ua si nawv? Thaum lub cev hnyav, tus neeg ncaws pob yuav tsum tau txais cov pa oxygen thiab cov as-ham rau txhua qhov ntawm nws lub cev. Qhov no txhais tau tias tus neeg ncaws pob xav tau kev ua tau zoo kab mob plawv uas suav nrog: cov hlab ntsha noj qab haus huv thiab cov hlab ntshav kom cov ntshav tuaj yeem yooj yim hla lub cev thiab.
Ua kom pom qhov no, cov hlab plawv ua dab tsi?
Cov circulatory system , kuj tseem hu ua kab mob plawv lossis kab mob vascular, yog cov kab ke hauv lub cev uas tso cai rau cov ntshav ntws thiab thauj mus los cov as-ham (xws li cov amino acids thiab electrolytes), oxygen, carbon dioxide, cov tshuaj hormones, thiab cov qe ntshav mus rau thiab los ntawm cov hlwb hauv lub cev los muab cov khoom noj thiab pab hauv
Dab tsi yog qhov tseem ceeb tshaj plaws ntawm cov hlab plawv?
Txawm hais tias me me, cov capillaries yog ib qho tseem ceeb tshaj plaws ntawm cov hlab ntsha vim nws yog los ntawm lawv. cov as-ham thiab oxygen raug xa mus rau lub hlwb. Tsis tas li ntawd, cov khoom pov tseg xws li cov pa roj carbon dioxide tseem raug tshem tawm los ntawm cov hlab ntshav.
Pom zoo:
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