Chemical substances that are secreted by the endocrine glands and carried by the bloodstream are known as

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Hormones are chemical messengers that are secreted by endocrine glands and transported through the bloodstream to target cells, where they elicit specific responses. Endorphins, enkephalins, and cytokines are also chemical messengers, but they are not specifically produced by endocrine glands and do not function primarily through the endocrine system.

Chemical Substances That Are Secreted by the Endocrine Glands and Carried