Respiratory System

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Across
  1. 3. Thorax, chest
  2. 7. Air, lung
  3. 9. larynx
  4. 10. adenoid
  5. 12. Chest
  6. 13. Lobe of the lung
  7. 14. nose
  8. 16. Trachea
  9. 20. Bronchiole
  10. 21. pharynx
  11. 22. oxygen
Down
  1. 1. Carbon dioxide
  2. 2. bronchus
  3. 4. pleura
  4. 5. breathing
  5. 6. Tonsils
  6. 8. mediastinum
  7. 11. mouth
  8. 15. diaphragm
  9. 17. nose
  10. 18. Alveolus
  11. 19. Voice, sound