Question

Which are the functions of the kidney?

• A. Excretion of urea
• B. Excretion of extra water
• C. Retention of water
• D. Excretion of salts

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A

Excretion of urea

B

Excretion of extra water

C

Retention of water

D

Excretion of salts

The functions of the kidney are to excrete nitrogenous wastes such as urea, excrete excess water and salt; and retain water when the amount of water is low in the body.