Question

mothers who breast - feed their children will lose a percentage of calcium from their bones. which hormone is responsible for raising blood calcium levels when they drop below homeostatic levels?
calcitonin
insulin
parathyroid hormone (pth)
growth hormone

Explanation:

Calcitonin lowers blood - calcium levels. Insulin regulates blood - glucose levels. Growth hormone is involved in growth and metabolism. Parathyroid hormone (PTH) is responsible for raising blood - calcium levels when they drop below homeostatic levels by acting on bones, kidneys, and intestines.

Answer:

C. parathyroid hormone (PTH)