ples say about harmones
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Explanation:
Hormone is a substance in your body that influences growth and development....
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Hormones are secreted from the glands of the endocrine system, they are specific in that each hormone causes a response in a specific target organ or group of cells, rather than on the body as a whole. Exocrine hormones are secreted via a duct into the blood and usually effect a distant organ or tissue. Endocrine hormones are secreted within the tissue (rather than via a duct) and enter the blood stream via capillaries.
Hormones can be grouped into three main types:
amines, these are simple molecules
proteins and peptides which are made from chains of amino acids
steroids which are derived from cholesterol.
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