PBL: Respiratory System (AC)

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Across
  1. 7. also called the windpipe
  2. 8. skeletal muscle that contracts and flattens when you inhale
  3. 12. cartilage and bone inside the nose
  4. 13. air sacs in lungs that take oxygen you breathe in
  5. 15. also called the voice box
  6. 16. study of diseases of the ear, nose, and throat
  7. 17. exhaling
  8. 18. pertaining to the lungs
  9. 19. pertaining to the chest
Down
  1. 1. major air passages of the lungs separate from windpipe
  2. 2. the space above and behind the nose
  3. 3. smaller branches of the bronchus
  4. 4. also called the throat
  5. 5. also called the nostrils
  6. 6. pertaining to vessels, especially blood vessels
  7. 9. inhaling
  8. 10. study of the respiratory tract
  9. 11. membranes that envelop the lungs to cushion it
  10. 14. organs in your body that air enters
  11. 17. flap presenting food and water from entering the trachea