How do GHRH, GH, and IGFs function together to regulate growth?
How do GHRH, GH, and IGFs function together to regulate growth?
The hormones are protein based chemical messengers which forms a part of the signaling molecules in the body. They are produced and secreted by the endocrine glands and are responsible for regulating the physiology and behavior of specific organs. The hormones are very specific in their functionality and only target the specific organs. The production and secretion of the hormones by the endocrine system is the reason that enables the humans to sense and intercept their internal environment and respond to it appropriately. The organs targeted by the hormones are often present at a distant location in the body, consequently the hormones produced by the glands are secreted into the circulatory system so that they reach their target distant organs to control their behavior.
The major glands of the human endocrine system includes hypothalamus, pancreas, pituitary gland, adrenal glands, thyroid gland, parathyroid gland, testes, ovaries and pineal glands. All of these glands produce and secrete specific hormones. Out of all these glands, hypothalamus is responsible for controlling and regulating the overall endocrine system. It is a neuroendocrine gland that connects the complex network of the endocrine system to the nervous system of the body through another neuroendocrine gland that is the pituitary gland.
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