Medical term

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Across
  1. 2. : A tiny branch of air tubes in the lungs.
  2. 4. When something you swallow goes down the wrong way.
  3. 6. : Lip
  4. 7. : Dust
Down
  1. 1. : The significant passages that lead from the trachea (windpipe) to the lungs
  2. 3. Tissue between the back of the nose and the throat.
  3. 4. Any air sacs of the lungs that allow rapid gaseous exchange.
  4. 5. : Incomplete, unfinished; defective.
  5. 6. : Carbon Dioxide