Respiratory crossword puzzle

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Across
  1. 3. Air sacs in the lungs that exchange carbon dioxide and oxygen
  2. 5. Primary organ
  3. 6. Two airways leading to the lungs
  4. 7. Muscle that pushes on the lungs
  5. 10. Nasal cavity
  6. 11. The _____ system contains your lungs and diaphragm.
  7. 12. Pharynx
  8. 14. _____ is bad for your lungs.
  9. 15. Flap that closes the airway when food is going down the throat
  10. 16. The Respiratory system takes in _____.
Down
  1. 1. Small airways in the lungs
  2. 2. Lung diseases
  3. 4. Hold the voicebox
  4. 8. Oral cavity
  5. 9. The respiratory system puts out _____.
  6. 13. Windpipe