Respiratory Anatomy

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Across
  1. 2. Air sacs where gas exchange occurs
  2. 3. Closes over the larynx during swallowing
  3. 4. Protrusions from walls of nasal cavity
  4. 6. ______ duct, drains into inferior nasal meatus
  5. 9. Level of bronchial tree supplying bronchopulmonary segments
  6. 10. Location of the adenoids
  7. 11. Present on surface of epithelial cells in the conducting zones; moves mucus
  8. 14. Cells found in the air sacs that engulf debris
Down
  1. 1. Muscle connecting sternum and clavicle to skull
  2. 5. Muscle inferior to the lungs involved in normal quiet breathing
  3. 7. Houses the vocal chords
  4. 8. Tube connecting larynx to primary bronchi
  5. 12. ______ tube, opens into the nasopharynx
  6. 13. Membranes surrounding the lungs