Across
- 5. Process where oxygen enters blood and CO2 leaves
- 6. Mucus-moving structures that help clean airways
- 7. Tiny air sacs where gas exchange occurs
- 9. Condition caused by vaping that scars lungs
- 11. Structure that prevents food from entering airway
- 12. Shared passageway for air and food
- 14. Small branches of bronchi
- 16. Membrane surrounding the lungs
Down
- 1. Muscle that helps you breathe by changing pressure
- 2. Separates nasal and oral cavities
- 3. Process of taking air into the lungs
- 4. Space in chest where lungs are located
- 8. Tubes that branch off into smaller airways in lungs
- 10. Gas removed from the body during exhalation
- 13. Disease where airways swell and fill with mucus
- 15. Main organs of the respiratory system