Across
- 1. breathing
- 4. nose bleed
- 6. runny nose
- 9. covers outer surface of lungs
- 10. lung
- 11. breathing out
- 12. sleep
- 14. inflammation of the larynx
Down
- 1. sore throat
- 2. windpipe
- 3. pleura
- 5. sinus
- 7. taking air in
- 8. 2 large tubes branch from trachea
- 11. closes off trachea
- 13. nose