Respiratory and Circulatory System Concepts

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