The Respiratory system

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Across
  1. 3. Air passage of the lungs that diverge from the trachea
  2. 5. Separates the nose and the mouth
  3. 7. Role in breathing is inflating the lungs
  4. 9. Primary organs of the respiratory system
  5. 10. Used to breathe in through the nasal passage
Down
  1. 1. Routes air coming in your nose and mouth
  2. 2. Connects the larynx to the lungs
  3. 4. Separates the nasal passages in the nose
  4. 6. Filters particles out of the air you breathe
  5. 8. Air sac of the lungs that allows for rapid gas exchange