In dialysis, how does the machine only get rid of the waste products and not the ones that are still useful?!


Question: In dialysis, how does the machine only get rid of the waste products and not the ones that are still useful.?
eg. sodiumHealth Question & Answer

Answers:
The dialysis bag acts as a membrane and allows the waste products to pass through but the blood cells and useful products are too big to pass (this process is called diffusion)Health Question & Answer
it filters the blood much like you would filter waterHealth Question & Answer

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