Tag: hormones

The Endocrine System

Endo- “internal” -crine “secretion” The endocrine system involves glands that secrete hormones (chemical messages) directly into the bloodstream. You can compare them to exocrine glands, which secrete outside of the body (ex: sweat glands). It’s more useful to compare the endocrine system to the… Continue Reading “The Endocrine System”