Respiratory system

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Across
  1. 6. Tube that carries air from the throat to the lungs (6)
  2. 7. Airway that connects the lungs to the throat (7)
  3. 8. Part of the brain that regulates breathing (5)
  4. 11. System responsible for bringing oxygen into the body and removing carbon dioxide (12)
  5. 14. Small air sacs in the lungs where gas exchange occurs (7)
Down
  1. 1. Valve-like structure that separates the airway from the esophagus (6)
  2. 2. Device used to measure lung function (9)
  3. 3. Medication used to treat asthma (8)
  4. 4. Surgical procedure to remove part of the lung (9)
  5. 5. Condition characterized by difficulty breathing due to narrowed airways (8)
  6. 9. Organ responsible for gas exchange (5)
  7. 10. Type of respiratory failure characterized by inadequate oxygenation (10)
  8. 12. Gas exchanged in the lungs (4)
  9. 13. Muscle that separates the chest cavity from the abdominal cavity (8)