The chemical substances secreted by the endocrine glands that are carried by the bloodstream are known as

Question

Quizplus · Accepted Answer

Hormones are chemical substances secreted by the endocrine glands that are carried by the bloodstream to specific target organs or tissues to regulate various physiological functions. Gonadotropins are a type of hormone, but not all hormones are gonadotropins. Neurotransmitters are chemical substances released by neurons to transmit signals within the nervous system, not by endocrine glands. Gonads are the male or female reproductive organs, which also produce hormones but are not themselves the chemical substances carried in the bloodstream.

The Chemical Substances Secreted by the Endocrine Glands That Are