Respuesta :
The endocrine system refers to the collection of glands of an organism that secrete hormones directly into the circulatory system to be carried towards a distant target organ. The major endocrine glands include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus, gastrointestinal tract and adrenal glands.The endocrine system is an information signal system like the nervous system.
The endocrine system has many glands that interact with each other through feedback mechanisms to ensure that the correct amounts of hormones are produced at the right time.
How does the endocrine system work?
- Numerous hormones control a variety of bodily processes, including electrolyte balance, growth and development, metabolism, and reproduction.
- The body's many glands all create hormones.
- A variety of releasing and inhibiting hormones from the brain work on the pituitary gland to promote the production of pituitary hormones.
- While some pituitary hormones have an indirect effect on target organs, others act on other glands spread across the body.
- The adrenal glands, which predominantly create cortisol, the parathyroid gland, which produces parathyroid hormone, and the pancreas, which produces insulin and glucagon, are additional hormone-producing glands found throughout the body.
- Many of these hormones are components of regulatory hormonal cascades that also include hormones from the hypothalamus, the pituitary, and one or more target glands.
The feedback mechanisms among various endocrine glands act in a loop and ensure the smooth functions of the endocrine system.
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