Chemicals released into the bloodstream from one part of the body, then affecting another part of the body, are called
A) hormones.
B) neurotransmitters.
C) glycogens.
D) gonads.

Question

Quizplus · Accepted Answer

Hormones are chemicals that are released into the bloodstream by endocrine glands, and they have specific effects on target cells or organs in other parts of the body. Examples of hormones include insulin, estrogen, and testosterone.

Chemicals Released into the Bloodstream from One Part of the Body