| A | B |
|---|
| Nervous System | the control and communication system of your body |
| Brain | Your nervous system's command center |
| Neuron | Cells that make up the nervous system |
| Central Nervous System | the brain and spinal cord |
| Peripheral Nervous System | nerves that branch out from the central nervous system |
| Spinal Cord | A tube of neurons that runs up the spine. |
| cerebrum job | controls vision, touch, and other senses |
| Cerebellum job | controls balance and coordination |
| Brain Stem job | controls digestion, breathing, and heartbeat |
| Circulatory System | the body's transportation system |
| Heart | muscle that acts as the pump for the circulartory system |
| blood vessels | tubes that carry blood throughout the body |
| artery | caries oxygen-rich blood away from the heart |
| veins | carry oxygen-poor blood toward the heart |
| Capillaries | very tiny branches of arteries and veins |
| blood pressure | the force of the blood pushing against the walls of the blood |
