Respiratory system

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Across
  1. 3. Tube that carries air from the throat to the bronchi (6)
  2. 5. Device used to measure lung function (8)
  3. 7. Tiny air sacs in the lungs where gas exchange occurs (7)
  4. 8. Condition characterized by chronic inflammation of the airways (10)
  5. 9. Organ responsible for exchanging oxygen and carbon dioxide (5)
  6. 10. Part of the brain that regulates breathing (7)
Down
  1. 1. Muscle that separates the chest cavity from the abdominal cavity (8)
  2. 2. Disease characterized by scarring of lung tissue (9)
  3. 4. Airway that connects the throat to the lungs (6)
  4. 6. Gas that is inhaled into the lungs (4)