Biology in Motion
Thyroid Gland and Negative Feedback
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.
Inner Body
Innerbody: Endocrine System
Look at the organs of the endocrine system and examine them in detail as you click on the interactive animation.