the removal of excess heat from the body the removal of carbon dioxide from the body the removal of excess oxygen from the blood the removal of nitrogenous wastes from the blood
I gave my students this multiple choice question: Which function do kidneys provide to maintain homeostasis?

Only one answer is correct among these 4 choices:
- the removal of excess heat from the body
- the removal of carbon dioxide from the body
- the removal of excess oxygen from the blood
- the removal of nitrogenous wastes from the blood

Could you tell me which one is correct?

the removal of nitrogenous wastes from the blood