Intracellularhk-hkcorrecthkanswer✔ ✔
ICF;hk2/3hkofhktotalhkbodyhkfluidhkinsidehkofhkcells
Extracellularhk-hkcorrecthkanswer✔ ✔
ECF;hk1/3hkofhktotalhkbodyhkfluidhkoutsidehkofhkcells
WhathkishkECFhkcomposedhkof?hk-hkcorrecthkanswer✔ ✔
plasmahkandhkinterstitialhkfluidhk(fluidhkbetweenhkcells)
WhathkarehkexampleshkofhkECF?hk-hkcorrecthkanswer✔ ✔ -
hkIntravascularhkfluidhk(insidehkvessels)
-hkcerebrospinalhkfluidhk
-hksweat
-hkurine
Wherehkdoeshkfluidhkmove?hk-hkcorrecthkanswer✔ ✔
FluidhkmoveshkbetweenhkICFhkandhkECFhkcompartmentshkthroughhksemihkpe
rmeablehkmembranes
Diffusionhk-hkcorrecthkanswer✔ ✔ movementhkofhkwater
, Differencehkbetweenhksimplehkandhkfacilitatedhkdiffusionhk-hkcorrecthkanswer
✔ ✔ simple:hkLowhktohkhighhksolutehk[c]hk(gravity)
facilitated:hkmoleculeshkhelphkmorehkparticleshk(nohkATP)
activehktransporthk-hkcorrecthkanswer✔ ✔
againsthkthehkconcentrationhkgradient.hkLowhktohkhigh.hkYEShkATP
-hkmovementhkishkgoinghkagainsthkthehkgradient
-hkE.XhksodiumhkpotassiumhkATPasehkpump
*Osmosis*hk
andhkwhyhkwaterhkmoveshkbetweenhkICFhkandhkECFhk-hkcorrecthkanswer✔
✔ waterhkfromhklowhktohkhighhksolutehk[C]
-
waterhkcrosseshkthehkcellhkmembranehkfreelyhksohkthehkosmolalityhkofhkTBWhk
hk
(totalhkbodyhkwater)hkishknormallyhkathkequilibriumhk
WATERhkWANTShkTOhkBEhkEQUALhkONhkEITHERhkSIDEhkOFhkTHEhkSE
MI-PERMEABLEhkMEMBRANE
-
hkwhenhkECFhkosmolalityhkchanges,hkwaterhkmoveshkfromhkonehkcompartment
hktohkanotherhkuntilhkosmotichkequilibriumhkishkestablished.