Endocrine System Essay Assignment Paper

The endocrine system produces hormones to regulate the internal environment of the body therefore keeping the parameters of the body at a relatively constant level. The hormones work by a feedback mechanism whereby if a parameter goes high or low it stimulates the production of the hormone that is responsible for regulating it back to the normal level. This is important so that the cells are at the environment at which they work best .
Parathyroid hormone, a hormone responsible for calcium regulation, is produced by the parathyroid glands. They are two glands and are located on the posterior aspect of the thyroid glands. Secretion of parathyroid hormone is inversely related to serum calcium level. The direct action of parathyroid hormone is on bone and kidneys. It causes release of calcium from the bone and reabsorption in the kidneys thereby raising the level of calcium in blood (Lok, U, 2014).

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