Respiratory System

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Across
  1. 1. over secretion of thick mucus in the lungs; clogs respiratory tract
  2. 4. two branches at the bottom of the trachea
  3. 5. the pons and this area of the brain control breathing
  4. 7. inflammation of the pleura
  5. 8. voice box
  6. 10. lines the chest cavity
  7. 12. muscles between the ribs
  8. 13. the most superior part of the lungs
  9. 14. windpipe
Down
  1. 2. gas exchange at the alveoli and capillaries
  2. 3. collapsed lung
  3. 6. passageway between the vocal folds
  4. 9. tiny air sacs in the lungs
  5. 11. done shaped muscle between the thorax and abdomen
  6. 13. disease caused by swelling of the respiratory track causing difficult breathing
  7. 14. volume of air in one normal breath