Hormones that help regulate blood calcium levels are produced by the

Hormones that help regulate blood calcium levels are produced by the parathyroid. The parathyroid glands are small glands located in the neck near the thyroid gland. They produce a hormone called parathyroid hormone (PTH), which helps to regulate the levels of calcium in the blood. PTH works by increasing the release of calcium from the bones into the bloodstream, and by decreasing the amount of calcium that is lost in the urine. This helps to maintain a stable level of calcium in the blood, which is essential for many important physiological processes, such as muscle contraction, nerve function, and blood clotting. In addition to PTH, the kidneys and the intestines also play a role in regulating blood calcium levels by controlling the amount of calcium that is absorbed from the diet and the amount that is excreted in the urine. Together, these different hormones and organs work to keep the levels of calcium in the blood within a narrow and healthy range.