← Chapter 17
Anatomy & Physiology · Chapter 17
The Endocrine Glands
The endocrine system sends chemical messages —
hormones
— through the blood to control growth, metabolism, and balance. Tap a gland to meet it.
Pituitary gland
The endocrine glands
chemical messengers
The glands
📷 Reference image
A real labeled figure to compare with the interactive above.
The Endocrine Glands — OpenStax, CC BY 3.0 (via Wikimedia Commons)
