Hormone | Definition, Function, & Types | Britannica
https://www.britannica.com/science/hormone
hormone, organic substance secreted by plants and animals that functions in the regulation of physiological activities and in maintaining homeostasis. Hormones carry out their functions by … See more Hormonal regulation is closely related to that exerted by the nervous system, an… Nerve cells are secretory, for responses to the nerve impulses that they propagate … Hormones have a long evolutionary history, knowledge of which is important … The factors involved in the first appearance of the various hormones is l…
Hormonal regulation is closely related to that exerted by the nervous system, an…
Nerve cells are secretory, for responses to the nerve impulses that they propagate …
Hormones have a long evolutionary history, knowledge of which is important …
The factors involved in the first appearance of the various hormones is l…
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