FUNCTIONS OF KIDNEY -
1. Excretion of nitrogenous wastes.
2. Maintenance of water balance or osmoregulation.
3. Acid base balance or regulation of pH.
4. Regulation of salt content.
5. Kidney also remove pigment drugs, poisonous & excess vitamin from the blood.
6. Fluid homeostasis.
7. Helpful in regulate of B.P.
8. Kidney secrete renin harmone which hleps in absoption of Na+ in the ascending loop of Henle.
9. Kidney secretes erythroprotein which stimulates the formation of R.B.C.