Across
- 1. fights germs and bacteria
- 4. also called the air sac
- 5. voice box
- 6. breathing
- 8. commonly called throat
- 10. carries blood back to heart
- 12. An instrument used to measure blood pressure
- 15. help blood clot
- 17. divides the ventricles into two
- 18. bad habit or vices
Down
- 2. smallest blood vessel
- 3. where the blood flows
- 7. artery walls hardened
- 9. nutritious food
- 11. pumps the blood
- 13. high blood
- 14. Carries blood away from the heart
- 16. heart sound