Exocrine Glands Differ from Endocrine Glands in That Exocrine Glands

Question

Exocrine glands differ from endocrine glands in that exocrine glands
A)secrete only into the bloodstream.
B)secrete only local hormones.
C)secrete through ducts or tubes to the body's exterior.
D)only secrete salts.

Accepted Answer

Exocrine glands secrete their products through ducts or tubes to the body's exterior, while endocrine glands secrete hormones directly into the bloodstream. Option A is incorrect as it describes endocrine glands instead of exocrine glands. Option B is incorrect as local hormones can be secreted by both exocrine and endocrine glands. Option D is incorrect as exocrine glands secrete a variety of products, including enzymes, mucus, and other substances, not just salts.