Kidneys Help Regulate the Concentration of Which Substance in the Blood

Question

Kidneys help regulate the concentration of which substance in the blood?
A) Sodium
B) Potassium
C) Bicarbonate
D) All of the above

Accepted Answer

The kidneys help regulate the concentration of all three substances mentioned in the options (sodium, potassium, and bicarbonate) in the blood through the process of filtration, reabsorption, and excretion.