respiratory system

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Across
  1. 2. separates oral and nasal cavities
  2. 3. disease of the lungs causing broncho-spams
  3. 6. air sacs in the lungs
  4. 7. infections of the lungs
  5. 9. triangular space responsible for voice production
  6. 10. clusters of lymphatic tissue in the pharynx
  7. 12. cartilaginous tissue that diverts food and liquids
  8. 14. area between lungs
  9. 15. air tube that extends from the larynx to the thorax
Down
  1. 1. thin double walled serous membrane surrounding the lungs
  2. 4. condition when person receives too little oxygen
  3. 5. smallest air conducting passageways of the bronchi
  4. 8. two openings in the nose which air enters
  5. 11. inflammation of the sinuses
  6. 13. viral infection that infects the respiratory system