_____ are chemical substances secreted by the endocrine glands.

Question

Quizplus · Accepted Answer

Hormones are chemical substances that are secreted by the endocrine glands and regulate various bodily functions including growth and development, metabolism, and reproduction. Neurotransmitters are chemicals that are released by neurons to transmit signals to other neurons or to muscles, and are not secreted by endocrine glands. Menarches refer to the onset of menstruation in females and are not substances secreted by endocrine glands. Teratogens are agents that can cause birth defects in the developing fetus and are not related to the secretion of hormones by the endocrine glands.

_____ Are Chemical Substances Secreted by the Endocrine Glands