respiratory

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Across
  1. 4. disease characterized with a barking cough
  2. 5. collapse of the alveolar air space
  3. 7. respiratory pattern associated with ketoacidosis
  4. 8. bifurcation of the trachea into right and left mainstem bronchi
  5. 9. opening between the vocal cords
Down
  1. 1. dyspnea experienced when recumbent and relieved by sitting or standing
  2. 2. coughing up blood
  3. 3. infiltration of any tissue by air or gas
  4. 6. a liquid protein substance that coats the alveoli