Cov hlab ntsha yog nyias phab ntsa, vim lawv pab pauv cov pa roj thiab nthuav cov ntaub ntawv mus rau hauv lub hlwb. Qhov kev nthuav dav no tuaj yeem ua tau vim qhov nyias ntawm nws cov phab ntsa.
Puas yog capillaries nyias phab ntsa?
Capillaries yog me me, cov hlab ntsa nyias nyiasuas ua tus choj ntawm cov hlab ntsha (uas nqa ntshav tawm ntawm lub plawv) thiab cov leeg (uas nqa ntshav rov qab mus rau lub plawv).
Vim li cas capillaries muaj cov phab ntsa nyias nyias ib lub cell tuab)?
Cov phab ntsa ntawm capillaries tsuas yog ib lub xovtooj tuab xwb. Capillaries yog li tso cai rau cov molecules kom nthuav dav hla cov phab ntsa capillary. Qhov kev sib pauv ntawm cov molecules no tsis tuaj yeem hla cov phab ntsa ntawm lwm hom hlab ntsha vim tias cov phab ntsa tuab heev.
Vim li cas cov hlab ntsha nyias nyias?
Capillaries me me li cov qe ntshav liab yuav tsum tau muab faib ua cov mos txwv zoo li cov duab thiaj li dhau los ntawm lawv hauv ib daim ntawv. Teb: Cov phab ntsa nyias ntawm cov hlab ntsha tso pa oxygen thiab cov khoom noj kom dhau los ntawm cov ntshav mus rau hauv cov ntaub so ntswg thiab tso cov khoom pov tseg kom dhau ntawm cov ntaub so ntswg mus rau cov ntshav.
Vim li cas cov phab ntsa capillary thiaj li nyias?
1 Cov Lus Teb
Capillaries muaj cov phab ntsa nyias kom yooj yim cia pauv cov pa oxygen, carbon dioxide, dej, lwm yam khoom noj thiab cov khoom pov tseg mus rau hauv cov qe ntshav.
