Respiratory System

1234567891011
Across
  1. 4. Smallest section of the bronchi.
  2. 6. Hollow spaces in the bones of head.
  3. 9. Contains vocal cords
  4. 10. Lymph nodes in the wall of pharynx.
  5. 11. Separates chest cavity from abdominal cavity.
Down
  1. 1. Passage from pharynx to the lungs.
  2. 2. The bronchial tubes are lined with.
  3. 3. Airways lacking any cartilaginous support.
  4. 5. From mouth and throat to stomach.
  5. 7. Tissue flap at the entrance to the trachea
  6. 8. Air sacs that are the destination of air that we breath