Across
- 2. Whistling sound made during asthma
- 3. Sudden release of air and particles
- 4. Tiny air sacs where gas exchange occurs
- 6. Windpipe splits into two of these
- 8. Tiny blood vessels around air sacs
- 10. Where air finally ends up in the lungs
- 12. Used to sense smell and filter air
- 13. Helps filter air entering lungs
- 15. Air enters here besides the nose
- 16. Common irritant that causes allergic reaction
- 17. Type of smoke harmful to non-smokers
- 18. Disease often caused by smoking
- 20. Muscle movement forces air out
- 21. Muscle that helps lungs expand and contract
- 22. Device used by people with asthma
- 24. Coughing, wheezing, and chest tightness are signs of this
- 25. Cold or flu virus can cause this reaction
- 26. Traps dust and particles in the nose
- 27. Two large organs for breathing
Down
- 1. Nerve that sends sneeze signal to the brain
- 5. Long-lasting lung disease from smoking
- 7. Used to detect strong smells and sneeze triggers
- 8. Harmful gas we breathe out
- 9. Common cold affects this system
- 11. Involuntary burst of air from the nose and mouth
- 14. Tube that carries air to the lungs
- 19. Gas we need to survive
- 22. Muscle movement to take in air
- 23. A symptom of both cold and allergies