Respiratory terms

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Across
  1. 4. smell(suffix)
  2. 8. breathing(suffix)
  3. 9. membrane that lines lungs
  4. 12. larynx
  5. 14. nose
  6. 15. carbon dioxide(suffix)
  7. 16. lobe of lung
  8. 18. breathing(root term)
  9. 19. straight
  10. 20. chest(suffix)
  11. 22. breathing
  12. 23. voice(suffix)
Down
  1. 1. lungs
  2. 2. windpipe
  3. 3. dust
  4. 5. bronchiole
  5. 6. dilation,expansion(suffix)
  6. 7. air scac
  7. 10. coal
  8. 11. pharynx
  9. 13. lungs, air
  10. 17. epiglottis
  11. 21. incomplete