Respiratory System

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Across
  1. 2. the muscular tube through which the food passes from the throat to the stomach
  2. 5. bone that protects lungs
  3. 6. chronic lung disease caused by inflammation
  4. 7. a pair of organs in the chest that the body with oxygen
Down
  1. 1. two external openings of the nasal cavity
  2. 3. the large tubes that direct the air that you breathe to your right and left lungs
  3. 4. the airway that leads from larynx to the bronchi
  4. 6. the part of the body between the chest and pelvis