Across
- 2. Secondary entrance of the respiratory system
- 3. specific area where oxygen exchange takes place
- 7. a disease that causes mucus to produce sticky mucus like substances
- 9. Carries oxygen food and fluid
- 11. inflamed Avioli
- 12. percent of people infected with CF
- 14. Main factor in the respiratory system
Down
- 1. can be caused by smoking
- 4. Voicebox
- 5. percent of the possible carriers of CF
- 6. Step after the bronchi
- 8. Chronic obstructive pulmonary disease
- 10. Main entrance of the respiratory system
- 13. Triathlete that recovered from CF