Asked Mar 16, 2019

What is difference between dialysis and filtration? Give examples for both please.


Expert Answer

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Step 1

Various processes occur in cells and fluids which involve exchange of ions and solutes. These processes include transport of ion and glucose,  etc. across cell membranes as well as exchange of respiratory gases in the blood. 

Step 2

Filtration and Dialysis are two processes which are involved in exchange processes. 

Filtration is a process by which materials get separated from medium (liquid or gases) through the membrane. The process is aided by physical forces such as pressure or gravity etc.    

An example of this process is the renal filtration of the blood occurring in kidneys of normal people.

The force involved is blood pressure and the procedure involves separation toxins, ions etc from blood through membrane of cells of nephron.

Step 3

Dialysis is a procedure which is carried out on those persons whose kidneys are unable to function properly.  It is based on the principles of diffusion as well as filtration through artificial semi permeable membranes. 

In this blood flows in one direction of semi-permeable membrane and...

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