Respiratory System Crossword

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Across
  1. 2. Breathing
  2. 6. Trachea
  3. 8. Lung/air
  4. 9. Bronchus
  5. 10. Breathing
Down
  1. 1. Air
  2. 3. Spitting
  3. 4. Chest
  4. 5. Carbon Dioxide
  5. 7. Voice
  6. 8. Lung