The endocrine system is a chemical messenger system comprising feedback loops of the hormones released by internal glands .
How does it work : Endocrine glands release hormones into the bloodstream . This lets the hormones travel to cells in other parts of the body . The endocrine hormones help control mood , growth , and development , the way our organs work , metabolism , and reproduction . The endocrine system regulates how much of each hormone is released .
Name the glands of the endocrine sys : hypothalamus
Pituitary
Thyroid
Parathyroids
Adrenals
Pineal body
The ovaries
The testes
