Across
- 4. carcinogen found in tobacco
- 5. vertical air tube
- 7. volume that remains after an exhale
- 11. Max volume inhaled or exhaled
- 13. better to breathe through this
- 14. diaphragm contracts downwards
- 15. diaphragm relaxes upwards
- 16. substance that paralyzes cilia
Down
- 1. substance that narrows air ways
- 2. device used to measure lung volume
- 3. flat muscle beneath the lungs
- 6. gas released during an exhale
- 8. substance in inhalers that widens airways
- 9. gas taken in during an inhale
- 10. rings in the trachea made from this
- 12. release mucus