1. Quick Lesson – Nervous System

2. Main Function
Is the main information processing center of animals
Controls all functions of the body in some way
Is the part of you that thinks

3. Central Nervous System
The brain – the main organ of the nervous system The spinal cord – a bundle of nerve cells that runs from the brain down the back. The CNS – Central Nervous System is comprised of the brain and spinal cord.

4. Peripheral Nervous System
Peripheral Nervous System (PNS)
All other nerves running through the body
Responsible for communicating information to and from the CNS

5. Nerve Cell
Main cell of the nervous system
Can be extremely long up to several feet
Uses electricity to communicate