Across
- 3. Carries blood away from the heart
- 6. The organ that pumps blood through the body
- 7. The upper chamber of the heart
- 8. Brings blood back to the heart
- 10. The beat you can feel when your heart pumps blood
- 11. To move around in a loop
- 12. A gas that the body needs to survive
Down
- 1. The lower chamber of the heart
- 2. Substances in food that the body needs
- 4. A small door that controls blood flow in the heart
- 5. To push blood through the body using pressure
- 9. The liquid that carries oxygen and nutrients