Respiratory System Crossword Puzzle

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Across
  1. 2. condition of deficiency of oxygen to the tissues
  2. 4. throat
  3. 6. pus in the chest cavity
  4. 7. inability to breath unless in an upright position
  5. 9. smaller tubes branching off the bronchi
  6. 12. parenchyma of the lung
  7. 14. creating a new opening in the trachea
  8. 16. surgical repair of the nose
  9. 19. high-pitched sound caused by obstruction of the airway
  10. 20. substance coughed up from the lung
Down
  1. 1. difficult breathing
  2. 3. hoarseness
  3. 5. surgical excision of an entire lung
  4. 8. caused by Mycobacterium tuberculosis
  5. 10. nosebleed
  6. 11. coughing up blood
  7. 13. normal breathing
  8. 15. collapsed lung
  9. 17. whooping cough
  10. 18. temporary cessation of breathing