Across
- 3. Expulsion of air from the lungs
- 6. Process of inhaling and exhaling
- 8. Tube connecting the throat to the bronchi
- 10. Looks like pink sponges
Down
- 1. Protects your heart and lungs
- 2. Intake of air into the lungs through expansion of chest volume
- 4. Important gas found in the air you breathe
- 5. Help filter more dust in the trachea
- 7. Is a poison that is used to kill insects, that is found in cigarettes
- 9. Tiny sacs