respiratory system
Across
- 4. Inflammation of the bronchi lining
- 5. Voice box
- 6. space inside your lungs
- 7. Helps inhale and exhale
- 9. Protects lungs from chest wall
Down
- 1. Think mucus lining
- 2. Get rid of bacteria germs and dust
- 3. Prevents food from going into the windpipe
- 8. removes carbon dioxide