These cells make up the nerves inside the nervous system.

This cord is a bundle of nerves that connect your brain to your body.

Nerve cells are also called....

This helps the messages go quickly through neurons.

This is the control center of your body.

Medulla is also known as your brain stem.

Cerebrum is the smallest part of the brain.

What protects your brain?

All parts of the nervous system except for the brain and spinal cord

The main organ of the nervous system.

The largest part of your brain

Which cell relays messages from one tissue to another?