In very simple terms, our bodies are on drugs! We are full of complex chemicals, produced by our endocrine system that make us do all sorts of things. Serotinin, dopamine, oxytocin and testosterone are but some of the chemicals that play a role in this complex mix of drugs. Learning to identify these natural drugs in our body is enlightening because it will allow you to understand while you feel stressed, anxious, bold and confident. Everything comes back to the drugs your body releases.
The endocrine system is a way for the body to send signals, much like the nervous system. Yet, unlike the nervous system which can relay "messages" quickly, the endocrine system moves much slower. The system of glands which secrete hormones help regulate the body and makes up the endocrine system. These hormones regulate many functions in an organism including mood, growth and development, tissue function and metabolism
A Quick Video Review
This short video gives the basics of the Endocrine System.
The Glands of the Endocrine System
The major glands in the body that make up the endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes). The pancreas also works with the endocrine system in addition to aiding in digestion.
Another review Video from BozemanBiology