Dab tsi yog 3 lub tswv yim ntawm kev nqus ntawm cov as -ham?
Dab tsi yog 3 lub tswv yim ntawm kev nqus ntawm cov as -ham?

Video: Dab tsi yog 3 lub tswv yim ntawm kev nqus ntawm cov as -ham?

Video: Dab tsi yog 3 lub tswv yim ntawm kev nqus ntawm cov as -ham?
Video: Phau Ntawv Maumoos: Amas 34 2024, Lub rau hli ntuj
Anonim

Digestive secretions thiab nqus dej. Kev nqus yog txheej txheem nyuaj, uas cov as -ham los ntawm cov zaub mov zom zom tau sau. Kev nqus tau tuaj yeem tshwm sim los ntawm tsib lub tswv yim: (1) kev thauj mus los, (2) tsis muaj zog nthuav tawm , (3) yooj yim diffusion , (4) kev thauj mus los (lossis kev thauj mus los zaum ob), thiab (5) endocytosis.

Ib yam li ib tus yuav nug, dab tsi yog txheej txheem ntawm kev nqus ntawm cov as -ham?

Thaum lub sij hawm txheej txheem ntawm kev nqus , cov as -ham uas los ntawm cov zaub mov (suav nrog cov carbohydrates, cov protein, cov rog, cov vitamins, thiab cov zaub mov) dhau los ntawm cov kab hauv cov hnyuv me rau hauv cov ntshav. Cov ntshav ua haujlwm los faib cov no cov as -ham mus tas lub cev.

Kuj Paub, dab tsi yog thawj qhov chaw rau kev nqus ntawm cov as -ham? Jejunum yog ntu nruab nrab ntawm txoj hnyuv me uas ua haujlwm raws li thawj qhov chaw ntawm kev nqus dej.

dab tsi yog nqus mechanism?

Kev nqus nyob rau hauv lub plab me me: General Cov tshuab Yuav luag txhua cov as -ham los ntawm kev noj zaub mov yog nqus rau hauv cov ntshav hla mucosa ntawm txoj hnyuv me. Ib qho ntxiv, txoj hnyuv nqus dej thiab electrolytes, yog li ua lub luag haujlwm tseem ceeb hauv kev saib xyuas cov dej hauv lub cev thiab cov kua qaub-hauv paus.

Txoj hnyuv me nqus cov khoom noj li cas?

Microvilli yog plaub mos mos uas pab nqus tau cov as -ham . Hauv hnyuv me , cov hlwb no muaj microvilli, uas yog cov plaub hau me me zoo li kev kwv yees uas nce ntxiv as -ham nqus tau. Cov kev kwv yees no ua rau thaj tsam thaj tsam ntawm hnyuv me tso cai rau thaj tsam ntxiv rau cov as -ham ua nqus.

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