When blood calcium falls too low, a regulatory system acts in three locations to raise it. Which of the following is one of those locations?
A) stomach
B) heart
C) lungs
D) kidneys
E) brain

Question

Quizplus · Accepted Answer

The kidneys are one of the three locations where a regulatory system acts to raise blood calcium levels. Specifically, the kidneys can increase the reabsorption of calcium from the urine back into the bloodstream to help maintain appropriate calcium levels.

When Blood Calcium Falls Too Low, a Regulatory System Acts