Across
- 3. Smaller branches of the bronchi that lead to the alveoli.
- 5. The tube that carries air from the nose and mouth to the lungs.
- 7. A chronic lung condition that causes inflammation and narrowing of the airways.
- 8. Tiny air sacs in the lungs where gas exchange occurs.
- 10. The process of taking air into the lungs.
- 11. The voice box, located at the top of the trachea.
Down
- 1. A muscle that helps to expand and contract the chest cavity.
- 2. The two main branches of the trachea that lead to the lungs.
- 4. The process of expelling air from the lungs.
- 6. A flap of cartilage that covers the trachea during swallowing.
- 9. The throat, which serves as a passageway for both air and food.
- 12. The process of exchanging gases between the body and the environment.