The Respiratory System

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Across
  1. 3. Whooping cough
  2. 5. Fluid buildup in air sacs caused by altitude sickness
  3. 6. Lack of oxygen in tissues
  4. 7. Spasm of the diaphragm
  5. 9. Where cellular respiration takes place
  6. 11. Inflammation of air passages
  7. 13. Keeps alveoli from collapsing
  8. 14. Required for cellular respiration
Down
  1. 1. Test that measures air volume
  2. 2. Collapsed lung
  3. 4. Prevents food from entering airway
  4. 8. Cavity where lungs sit
  5. 10. Muscle used for breathing
  6. 12. Voice box
  7. 13. Spaces within the skull bones