OXYGENATION

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Across
  1. 4. insufficient oxygen anywhere in the body
  2. 8. accumulation of air in the pleural space
  3. 9. Finger placed firmly on skin during percussion
  4. 10. Surface-active agent secreted by alveoli
  5. 11. Quiet, effortless breathing
Down
  1. 1. Hammer used to strike pleximeter
  2. 2. Spit out
  3. 3. Ability to breathe only when sitting/standing
  4. 5. abnormally fast respirations
  5. 6. mucous secretions from the lungs, bronchi, lungs
  6. 7. Compound of oxygen and haemoglobin