Respiratory system

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Across
  1. 3. when the trachea swells
  2. 5. what you breathe in when you inhale
  3. 7. used to clear airways of mucus and dirt
  4. 9. spazzing of this creates hiccups
Down
  1. 1. connects pharynx to stomach
  2. 2. what you breathe out when you exhale
  3. 4. the "voice box"
  4. 6. prevents food from entering the respiratory system
  5. 8. transports air to and from the lungs
  6. 10. tiny air sacs in the lungs