THE ENDOCRINE SYSTEM. Made up of glands release hormones into the bloodstream Hormones travel throughout the body and relay information Works with nervous system to control body Coordinated by the hypothalamus receives messages from internal organs
1. Pituitary gland – “master” endocrine gland
3. Pineal gland
4. Thyroid gland
5. Parathyroid gland
6. Adrenal gland
8. Ovaries or Testes
Controls calcium levels in blood and bones
Secretes Parathyroid Hormone (PTH)
which wakes you up
Controls blood sugar levels - Insulin
Also acts as a gland of the digestive system secreting digestive enzymes
In your notebook, work with your partner to create your own example of a negative feedback loop.
It does not have to be biological!
Type I – juvenile onset
Type II – adult-onset