Nyob rau hauv dab tsi lub cev kua compartment yog ib txwm muaj siab concentration ntawm poov tshuaj?
Nyob rau hauv dab tsi lub cev kua compartment yog ib txwm muaj siab concentration ntawm poov tshuaj?

Video: Nyob rau hauv dab tsi lub cev kua compartment yog ib txwm muaj siab concentration ntawm poov tshuaj?

Video: Nyob rau hauv dab tsi lub cev kua compartment yog ib txwm muaj siab concentration ntawm poov tshuaj?
Video: qhia txog kev tseem ceeb tshaj nyob hauv lub neej yog muaj peb yam 2024, Lub Xya hli ntuj
Anonim

Hauv cov kua dej hauv lub cev twg ib txwm muaj qhov siab ntawm cov poov tshuaj ? Cov ICF muaj ib siab tus nqi ntawm poov tshuaj thiab qis sodium. Cov ECF thiab interstitial kua muaj a siab tus nqi ntawm sodium thiab tsawg npaum li cas poov tshuaj.

Txog qhov no, lub cev twg muaj cov dej ntau tshaj?

Qhov loj tshaj qhov chaw yog cov kua dej intracellular qhov chaw (ICF), uas suav txog li ob feem peb ntawm tag nrho dej lub cev . Cov kua extracellular qhov chaw (ECF) ua qhov sib npaug. Sab nrauv dej tuaj yeem muab faib ntxiv rau hauv cov kua dej intravascular qhov chaw thiab cov kua dej interstitial qhov chaw.

Tsis tas li ntawd, yam tshuaj twg yog qhov tseem ceeb hauv kev tswj hwm cov poov tshuaj thiab sodium hauv lub cev kua? Aldosterone

Xav txog qhov no, dab tsi yog 3 cov kua dej hauv lub cev?

Hauv tib neeg lub cev plan, muaj peb loj cov kua dej uas muaj nuj nqi sib cuam tshuam. Cov no yog (1) intracellular chav dej , (2) interstitial kua , thiab ( 3 ) plasma. Dej , molecules, thiab ions ntws hla lub cev tiv thaiv nruab nrab ntawm cov cov kua dej.

Muaj ntau npaum li cas cov kua dej nyob hauv tib neeg lub cev?

Qhov ntim ntawm extracellular kua Hauv ib tug txiv neej hluas ntawm 70 kg (154 lbs) yog 20% ntawm lub cev hnyav - txog kaum plaub litres. Kaum ib litres yog qhov nruab nrab kua thiab peb seem ntxiv yog ntshav.

Pom zoo: