Many glands work together to control hormone levels in the body. The interactive focuses on the thyroid gland, pituitary gland, and the hypothalamus. It demonstrates the interconnections and feedback loops present in the endocrine system.

Game on vocabulary and functions of the endocrine system. Covers hormones, feedback loops, adrenaline, melatonin, insulin, glucagon, and growth hormone. Includes multiple-choice quiz at end.