Question

Kidney plays a vital role in the body by-

a. Changing nitrogenous waste into urea

b. Maintaining salt-water balance and eliminating toxic waste

c. Secretes enzymes

d. Both a) and b)​

Answer 1

Answer:

The kidneys ensure that the make-up and volume of the fluids in the body is correct. They help control the chemical balance of the blood and regulate the body's level of sodium, potassium and calcium. The kidneys remove waste products and excess water from the body and so help to regulate blood pressure.

Answer 2

Explanation:

a is the correct option......