explain about DIYALASIS
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Dialysis: The process of removing waste products and excess fluid from the body. Dialysis is necessary when the kidneys are not able to adequately filter the blood. Dialysis allows patients with kidney failure a chance to live productive lives. There are two types of dialysis: hemodialysis and peritoneal dialysis.
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In case of Kidney failure an artificial kidney can be used.
An artificial kidney is a device which removes nitrogenous waste products from the blood through dialysis. Artificial kidneys contain a number of tubes with a selectively permeable lining suspended in a tank filled with dialyzing fluid. This fluid has the same osmotic pressure as the blood except that it is devoid of nitrogenous waste. The patients blood is passed through these tubes made up of selectively permeable membrane of cellophane (which is made up of cellulose). During this passage the waste products from the blood pass into dialyzing fluid by diffusion. The purified blood is pumped back into the patient. This is similar to the function of the kidney but it is different since there is no reabsorption involved.
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