Respiratory system

Edit Answers
1234567891011121314
Across
  1. 5. cage Protective structure around the lungs (7 letters)
  2. 9. The exchange of oxygen and carbon dioxide (11 letters)
  3. 10. Tiny hair-like structures in the respiratory tract (5 letters)
  4. 14. The process of taking air into the lungs (11 letters)
Down
  1. 1. Tiny air sacs in the lungs for gas exchange (7 letters)
  2. 2. The smallest branches of the bronchi (9 letters)
  3. 3. Gas exhaled during respiration (6 letters)
  4. 4. Large airway that branches into each lung (5 letters)
  5. 6. Passageway for air and food in the throat (8 letters)
  6. 7. The sheet of muscle below the lungs that aids in breathing (9 letters)
  7. 8. Windpipe's scientific name (7 letters)
  8. 11. Another name for the voice box (7 letters)
  9. 12. The flap that prevents food from entering the airway (10 letters)
  10. 13. The main organ of the respiratory system (5 letters)