Respiratory Crossword Puzzle

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Across
  1. 2. portion of throat located just above the trachea that houses the vocal chords
  2. 3. inflatable organs in a person's chest that hold air
  3. 5. medium sized firm air tubes in the lungs
  4. 7. network of tiny blood vessels that exchange gasses and nutrients with body tissues
  5. 8. portion of the throat located behind the mouth and nasal cavity
  6. 10. tiny hair-like projections in the lungs and bronchi that help mucus move up and out of the respiratory tract
  7. 11. flap of tissue that opens and closes to prevent food and liquid from entering your trachea/lungs
Down
  1. 1. smallest firm air tubes in the lungs
  2. 4. large, firm air tube that goes from the throat to the lungs
  3. 6. the muscle that creates positive and negative pressure to help you breathe
  4. 9. tiny air sacs in the lungs that exchange gas with the bloodstream