Respiratory System

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Across
  1. 1. famous athlete with sleep apnea
  2. 3. normal respiratory rate per minute
  3. 6. one inhalation + one exhalation
  4. 11. breathing out
  5. 14. windpipe
Down
  1. 2. air sacs where gas exchange occurs
  2. 4. cartilage that closes when you swallow food
  3. 5. voicebox
  4. 7. breathing in
  5. 8. periods of not breathing while sleeping
  6. 9. main part of the respiratory system
  7. 10. percussion on the back for mucus in the lungs
  8. 12. brings air from trachea to bronchioles
  9. 13. nostrils