Parts

1. Spinal Cord- long bundle of nerves inside of your spinal column.

2. Cerebrum- the thinking part of the brain, controls voluntary muscles, 85% of the brain's weight

3. Cerebellum- controls balance, movement, and coordination

4. Central Nervous System- brain and spinal cord, the main control system

5. Peripheral Nervous System- nerves that connect the CNS to all parts of the body, it carries messages to and from the CNS