Alex F. Respiratory System Puzzle

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Across
  1. 2. Breathe in
  2. 6. Breathing disorder
  3. 7. Traps dust
  4. 8. The act of breathing in air
  5. 10. Voice box
  6. 13. Air-filled skull spaces
  7. 17. We breathe it out
  8. 18. Inside of nose
  9. 19. Tiny airway hairs
  10. 20. Breathing muscle
  11. 21. Tiny blood vessels
  12. 22. Covers windpipe
  13. 24. Throat
  14. 26. We breathe it in
Down
  1. 1. Air volume in lungs
  2. 3. Breathing process
  3. 4. Chest area
  4. 5. Organs for breathing
  5. 9. Air sacs
  6. 11. Related to lungs
  7. 12. Smaller air tubes
  8. 14. Lung lining
  9. 15. Air tubes in lungs
  10. 16. The act of breathing out air
  11. 23. Windpipe
  12. 25. Breathe out