The system of glands that secrete hormones directly into the bloodstream is known as the
A) atopic system.
B) exocrine system.
C) endocrine system.
D) blood-brain system.

Question

Quizplus · Accepted Answer

The endocrine system consists of glands that secrete hormones directly into the bloodstream. Option A (atopic system) is not a recognized term in biology. Option B (exocrine system) refers to glands that secrete substances through ducts onto a surface or into a cavity. Option D (blood-brain system) is not a recognized term in biology.

The System of Glands That Secrete Hormones Directly into the Bloodstream