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Calcitonin helps regulate the amount of calcium in the bloodstream.

A. True
B. False


Sagot :

Final answer:

Calcitonin, a hormone from the thyroid gland, regulates blood calcium levels by promoting calcium absorption into bones, lowering blood calcium levels, and working alongside parathyroid hormone.


Explanation:

Calcitonin is a hormone produced by the thyroid gland that helps regulate blood calcium levels. It works by enhancing calcium absorption and deposition in bone, thereby decreasing blood calcium levels. Calcitonin acts in opposition to parathyroid hormone (PTH), together maintaining calcium homeostasis.


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