Respiratory & Sight Crossword

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Across
  1. 3. Gas
  2. 6. Lung
  3. 7. Carbon Dioxide
  4. 11. excessive carbon dioxide in the blood
  5. 12. tear duct
  6. 13. Bronchus
  7. 15. eye
  8. 16. Nose
  9. 18. Sinus
  10. 20. retina
Down
  1. 1. Air
  2. 2. Larynx
  3. 4. Oxygen
  4. 5. eyelid
  5. 6. Lung, air
  6. 8. eye
  7. 9. Inflammation of the bronchial membranes
  8. 10. Chest
  9. 14. cornea
  10. 17. iris
  11. 19. Nose