Across
- 2. large muscle below the lungs
- 4. anatomical term for the voice box
- 8. small air sacs where gas exchange takes place
- 10. the gas we breathe into our lungs
- 11. one of the respiratory system's jobs
Down
- 1. the gas that comes out of our lungs
- 3. anatomical term for the throat
- 5. 2 tubular airways going into the lungs
- 6. tiny hairs throughout our respiratory tract
- 7. small branch-like structures in the lungs
- 9. small flap that allows air into the trachea
- 12. rings of cartilage that form our airway