Across
- 4. Infection that inflames the lungs
- 7. Voice box
- 8. Tiny hairs that line the respiratory tract
- 10. Process of breathing in
Down
- 1. Process of breathing out
- 2. Organ where gas exchange occurs
- 3. Muscle that helps with breathing
- 4. connects the mouth and nose to the esophagus and larynx
- 5. Gas we breathe in
- 6. Air sacs in the Lungs
- 8. Gas we breathe out
- 9. Tube that carries air to the lung