A) The kidneys regulate the plasma volume
B) The kidneys help to regulate blood pressure
C) The kidneys help control the rate of red blood cell production
D) The kidneys deactivate vitamin D and stimulate the activity of osteoclasts
A) The kidneys regulate the plasma volume
B) The kidneys help to regulate blood pressure
C) The kidneys help control the rate of red blood cell production
D) The kidneys deactivate vitamin D and stimulate the activity of osteoclasts