National Respiratory Care Week

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Across
  1. 3. pleural tap also known as
  2. 4. physician who specializes in the respiratory system
  3. 7. the surface area of lung is roughly equal to which court
Down
  1. 1. air in the pleural space
  2. 2. quickest way to get oxygen reading
  3. 5. which organ will float
  4. 6. ppd test for tuberculosis