Question: 1 / 1775

Which structure assists in calcium homeostasis in the body?

Thyroid gland.

Parathyroid gland.

The parathyroid gland plays a crucial role in calcium homeostasis, a vital process for maintaining the balance of calcium levels in the body. This small gland, located behind the thyroid gland, produces parathyroid hormone (PTH), which regulates calcium levels in the blood. When calcium levels are low, PTH is released, stimulating the release of calcium from bones, increasing calcium absorption in the intestines, and promoting kidney reabsorption of calcium, all of which help to elevate calcium levels in the bloodstream.

In contrast, while the thyroid gland does have functions related to metabolism and regulates other hormones affecting calcium indirectly, it does not directly govern calcium levels. The hypothalamus is primarily involved in activities related to hormones that control the pituitary gland and homeostatic functions but does not directly regulate calcium levels. The adrenal gland also produces hormones that affect a variety of bodily functions, including stress response, but it does not specifically regulate calcium homeostasis. Thus, the direct role of the parathyroid gland in managing calcium levels establishes it as the correct answer for this question.

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Hypothalamus.

Adrenal gland.

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