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प्रश्न
What are hormones? Give examples.
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उत्तर
Hormone is an organic substance that is sëcreted by one tissue into the bloodstream and induces a physiological response in other tissues. It is an intercellular signaling molecule. Virtually every process in a complex organism is regulated by one or more hormones. For example, insulin, epinephrine, estrogen, androgen, etc.
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