Across
- 2. voicebox
- 5. throat
- 8. small tubes at the end of the bronchus
- 10. windpipe
- 11. a tube to connect the trachea to the lungs
Down
- 1. has 3 lobes
- 3. bones that protect the lungs
- 4. muscle that helps us breathe
- 6. small sacs where gas is exchanged
- 7. space in the head where air travels to warm and humidify.
- 9. has 2 lobes