Chemical substances secreted by glands, which affect the functioning of bodily organs, are called:
A) endorphins.
B) hormones.
C) opioid peptides.
D) neurotransmitters.

Question

Quizplus · Accepted Answer

Hormones are specifically produced and secreted by glands to regulate and control the functions of various organs and systems within the body. Endorphins and opioid peptides are types of neurotransmitters that also influence bodily functions, but are not secreted by glands in the same way as hormones.

Chemical Substances Secreted by Glands, Which Affect the Functioning of Bodily