Across
- 2. where cellular respiration takes place
- 3. inflammation of air passages
- 6. prevents food entering airway
- 7. whooping cough
- 10. lack of oxgyen in tissues
- 13. keeps alveoli from collapsing
- 15. collapses lung
Down
- 1. illness caused by smoking
- 4. test that measures air volume
- 5. spasm of the diaphragm
- 8. divides left and right nostrils
- 9. required for cellular respiration
- 11. space at the back of the oral cavity
- 12. voice box
- 14. air sacs