Dab tsi yog capillary ntom?
Dab tsi yog capillary ntom?

Video: Dab tsi yog capillary ntom?

Video: Dab tsi yog capillary ntom?
Video: Qhov Sib Txawv Ntawm Allergy, Flu & Coronavirus Yog Dab Tsi 2024, Lub Xya hli ntuj
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Qhov deb uas cov pa yuav tsum diffuse los ntawm cov hlab ntsha rau cov leeg nqaij nyob ntawm cov leeg capillary ntom , txhais raws li tus naj npawb ntawm cov hlab ntsha ib chav hla ntu ntu ntawm cov leeg.

Ib yam li ib tus tuaj yeem nug, lub siab capillary ntom txhais tau li cas?

A siab nqaij capillary ntom txhais tau tias a loj nqaij-rau-ntshav sib pauv thaj chaw, luv oxygen diffusion nrug, thiab siab ntshav liab txhais tau tias sij hawm caij tsheb npav

Ib tus kuj tseem yuav nug, cov capillaries yog dab tsi? Kev Txhais Lus Kho Mob ntawm Capillaries Capillaries : Capillaries yog cov hlab ntsha me tshaj plaws. Lawv ua haujlwm faib cov pa oxygen los ntawm cov hlab ntsha mus rau cov nqaij ntawm lub cev thiab pub cov ntshav deoxygenated los ntawm cov ntaub so ntswg rov qab rau hauv cov leeg.

Tib neeg tseem nug, kev tawm dag zog ua kom cov hlab ntshav nce ntxiv?

Kev tawm dag zog cov leeg xav tau ntshav ntxiv. Thiab nyob rau hauv kev teb rau li niaj zaus qoj ib ce , lawv yeej loj hlob ntau cov hlab ntsha los ntawm nthuav cov network ntawm cov hlab ntsha . Nyob rau hauv lem, cov leeg nqaij txhawb qib qib ntawm cov enzymes uas tso cai rau lawv siv oxygen los tsim lub zog.

Puas yog capillaries rov tsim dua?

Tsis zoo li cov hlab ntsha thiab cov leeg leeg, cov hlab ntsha yog qhov tsis taus thiab tsuas yog ib lub cell endothelial tuab, thiab me me uas cov qe ntshav tuaj yeem hla dhau lawv hauv ib daim ntawv xwb. Capillary cells muaj peev xwm rov tsim dua los ntawm cov hlab ntshav ua ntej; Cov txheej txheem no hu ua angiogenesis.

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