Across
- 1. part of throat where epiglottis is
- 5. a spasm in the esophagus
- 8. has to do with the mouth
- 9. has to do with the heart
- 10. where your vocal cords are
- 11. metric quarts
- 13. these are mucous and dirt in the nose
- 14. big sections of the lungs
- 16. a muscle that helps us breathe
- 19. main organ that holds oxygen and carbon dioxide
- 20. these carry oxygen in the blood
Down
- 2. has to do with the nose
- 3. a piece of cartilage that keeps food out
- 4. breathing in and out
- 5. main part of cardiovascular system
- 6. tiny blood vessels
- 7. this lines the nose
- 8. humans breathe this in
- 12. what food goes down
- 15. humans breathe this out
- 17. tiny sacs in the lungs
- 18. has to do with the lungs