Cov tshuaj dab tsi yog lim tawm ntawm cov ntshav los ntawm lub raum?
Cov tshuaj dab tsi yog lim tawm ntawm cov ntshav los ntawm lub raum?

Video: Cov tshuaj dab tsi yog lim tawm ntawm cov ntshav los ntawm lub raum?

Video: Cov tshuaj dab tsi yog lim tawm ntawm cov ntshav los ntawm lub raum?
Video: Mob raum yog mob li cas thiab yuav muab tshuaj dab tsi kho ? | POVYANG 2024, Lub Xya hli ntuj
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Lub raum tshem tawm cov khoom pov tseg hu ua urea ua los ntawm cov ntshav los ntawm nephrons. Nephrons yog cov lim me me.

Hauv qhov no, lub raum lim dej tawm ntawm cov ntshav yog dab tsi?

Cov ob lub raum yog ob lub noob taum zoo li lub cev, txhua qhov loj ntawm lub nrig. Noj qab nyob zoo lub raum lim txog ib nrab khob ntawm ntshav txhua feeb, tshem cov khib nyiab thiab dej ntxiv kom tso zis. Cov zis ntws los ntawm ob lub raum mus rau lub zais zis los ntawm ob txoj hlab me me ntawm cov leeg hu ua ureters, ib qho ntawm txhua sab ntawm koj lub zais zis.

Qhov feem pua ntawm cov ntshav lim los ntawm lub raum raug tshem tawm ntawm lub cev raws li cov zis? Txog 99% ntawm cov dej zoo li cov lim dej, cov khoom me me, thiab cov tshuaj lipid-soluble, yog reabsorbed downstream hauv nephron tubule. Qhov no txhais tau tias tus nqi ntawm cov zis tshem tawm tsuas yog hais txog ib feem pua ntawm qhov ntau npaum li cas ntawm cov kua dej pom los ntawm glomeruli rau hauv lub raum tubules.

Ib yam li ntawd, cov co toxins raug tshem tawm ntawm lub raum li cas?

Cov raum tso tawm toxins los ntawm qhov tseem ceeb 3 cov txheej txheem: (1) pom los ntawm glomeruli; (2) passive diffusion, feem ntau los ntawm cov tubules distal; thiab (3) cov txheej txheem nquag nyob qhov twg toxins raug thauj los ntawm cov ntshav thiab mus rau hauv cov zis.

Cov ntshav twg yuav tsum raug tshem tawm tag nrho los ntawm cov ntshav thaum nws hla lub raum?

Koj ob lub raum ua lub luag haujlwm tseem ceeb hauv kev tswj hwm homeostasis. Lawv tawm ( tshem tawm ) urea thiab lwm yam pov tseg, tswj cov dej hauv ntshav , thiab kho qhov concentration ntawm ntau yam tshuaj nyob rau hauv lub ntshav . Cov tshuaj tshem tawm ntawm cov ntshav daim ntawv tso zis.

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