The following are the functions of the kidneys except?

A. Regulation of water content in the blood
B. Maintenance of blood PH and homeostasis
C. Excretion of CO2
D. D. Removal of waste products from the blood

Correct Answer:

Option C – Excretion of CO2

Explanation

Option C is correct. This is because, excretion of CO2 is done by the lungs through the nostrils.