Respiratory system

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Across
  1. 5. chest
  2. 6. to breathe
  3. 7. diaphragm
  4. 8. chest
  5. 9. alveolus,air sac
  6. 11. bronchus
  7. 12. larynx
  8. 13. epiglottis
  9. 16. breathing
  10. 17. nose
  11. 19. lobe
Down
  1. 1. lung,air
  2. 2. pleura,rib,side
  3. 3. windpipe
  4. 4. bronchiole
  5. 8. lung
  6. 10. air
  7. 14. throat
  8. 15. chest
  9. 18. nose