Across
- 3. Part of brain controlling speech, hearing
- 6. Part of brain controlling heartbeat, breathing
- 7. System carrying oxygen, nutrients, waste
- 9. Tiny blood vessel
- 12. Blood vessel carrying blood away from the heart
- 13. Colorless liquid that blood is made of
Down
- 1. Blood pump
- 2. Body's control system - brain, spine, nerves
- 3. Part of brain controlling balance, coordination
- 4. System used for breathing
- 5. Nerve cell
- 8. Makes up an organ
- 10. Tiny air sacs in lungs
- 11. Blood vessel carrying blood to the heart