The Respiratory System
Across
- 3. Prevents food and liquids from entering the trachea
- 4. Stack of Cs
- 8. Connects with the first tracheal ring
- 11. Breathing out
- 12. Chronic inflammatory disease of bronchial tubes
- 14. Voice box
- 15. Exchange of oxygen and carbon dioxide
Down
- 1. Progressive long term loss of lung function
- 2. Coarse hairs in the vestibules
- 5. Opening over the true vocal cords
- 6. Receptors in the superior meatus
- 7. Inflammation of parietal pleura
- 9. Dome-shaped sheet of muscle
- 10. Breathing in
- 13. Large branches off the trachea