Which of the following best describes the action of endocrine glands?
A) Secrete through a duct
B) Secrete directly onto the surface of the skin
C) Secrete directly into the mouth
D) Release hormones directly into the bloodstream

Question

Quizplus · Accepted Answer

Endocrine glands release hormones directly into the bloodstream, which transports the hormones to target cells for action. Exocrine glands, such as sweat glands and salivary glands, secrete either through a duct or directly onto the surface of the skin or in the mouth.

Which of the Following Best Describes the Action of Endocrine