Across
- 3. uncontrolled growth of tumors
- 4. maximum amount of air a person can expel
- 7. contains vocal cords
- 10. branching airways
- 12. preventing the exchange of gases
- 13. causing the lungs to lose their elasticity
- 14. filters,and moistens air
- 18. passage way for food and air
- 19. air that remains after exhaling
- 20. very tiny blood vessels
Down
- 1. inflammation of the bronchioles
- 2. where the lungs are covered
- 5. moves ribs during respiration
- 6. where the nasal and oral cavity meet
- 8. smaller branches leading into the lung tissue
- 9. has cartilage rings
- 11. skeletal muscle that sits at the base of chest
- 15. where gases are exchanged
- 16. allergic reaction by the bronchioles
- 17. covers the larynx when swallowing