Question

State two vital functions of human kidney.

Answer 1

Tow vital function of human kidney:

1. Kidneys are the primary organs that are responsible for osmoregulation in human body. Osmoregulation is the process of maintaining and circulating proper water levels in the body and it also involves in removing the metabolic wastes from the blood.
2. It mainly supports excretion, so a defect that occurs in kidney will leads to improper excretory function. It also circulates mineral ions in the body fluids and keeps it in perfect condition.

Answer 2

Answer:

(a) Function of Kidneys:

Absorption of water and salt

Removal of waste materials like urea, ammonia etc from blood.

(b) Artificial kidney works on the principal of dialysis. It is also known as haemodialysis.

In hemodialysis, only a few drops of blood are allowed to flow, through a special filter that removes wastes and extra fluid. The detoxified blood is then returned to the body.

The special filter used in dialysis consists of a number of tubes with semi-permeable lining, suspended in a tank filled with the dialysis fluid.

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