luid exchange in the venous end is considered osmosis or reverse osmosis

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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fluid exchange in the venous end is considered osmosis or reverse osmosis?

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The cardiovascular system is responsible for circulating blood, gases, nutrients, etc from one cell of the body to others using a vast network of endothelial cells like arteries, veins, etc. As we know that the cell membrane is selectively permeable, small molecules like lipids and lipid-soluble molecules, gases can easily pass through the endothelial membrane by diffusion. But polar molecules and large macromolecules like glucose, sodium, potassium, chloride, etc employ special pumps and channels like transporters to cross the cell membranes using facilitated diffusion, and water and fluids move through osmosis.

 

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