Parathyroid hormone (PTH) is the most important regulator of blood calcium concentration.

Question

Quizplus · Accepted Answer

Parathyroid hormone (PTH) is released by the parathyroid gland in response to low blood calcium levels and acts to increase calcium levels by stimulating the release of calcium from bones, increasing calcium absorption in the intestines, and reducing calcium excretion in the kidneys. PTH is therefore the most important regulator of blood calcium concentration.

Parathyroid Hormone (PTH) Is the Most Important Regulator of Blood