Across
- 3. windpipe, c shaped cartilage
- 6. breathing
- 8. where 02 and CO2 exchanges
- 11. chronic inflammatory disease of the bronchial tubes
- 12. difficulty speaking
- 14. provide mucus, makes skull lighter
- 15. Sleep
Down
- 1. 2 large tubes that branch out from the trachea
- 2. chest/pleural cavity
- 4. runny nose
- 5. closes off the trachea during swallowing
- 7. temporary absence of spontaneous breathing
- 9. voice box
- 10. a group of lung diseases
- 13. Taking air in, diaphragm contracts