What is the Endocrine System?

The system of glands that secrete hormones into the bloodstream. Endocrine glands include the pituitary, thyroid, thymus, and adrenal glands, as well as the pancreas, ovaries and testes.

1. Pineal gland, 2. Pituitary gland, 3. Thyroid gland, 4. Thymus, 5. Adrenal gland, 6. Pancreas, 7. Ovary, 8. Testis