Calcium and phosphate ions are balance between blood and other tissue by?
Question: Calcium and phosphate ions are balance between blood and other tissue by?
Calcium and phosphate ions are balanced between blood and other tissues by the action of two hormones: parathyroid hormone (PTH) and calcitonin. PTH is produced 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 and increasing the reabsorption of calcium in the kidneys. PTH also stimulates the conversion of vitamin D to its active form, which enhances calcium absorption in the intestine. Calcitonin, on the other hand, is produced by the thyroid gland in response to high blood calcium levels and acts to decrease calcium levels by inhibiting the release of calcium from bones and increasing calcium excretion in the kidneys. Together, PTH and calcitonin work to maintain a delicate balance of calcium and phosphate ions in the blood and other tissues of the body.
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