Respiratory System

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Across
  1. 2. Chronic Obstruction of airways
  2. 3. A layer of tissue that lines the pleural cavity
  3. 5. Inflammation of mucus membrane
  4. 7. Breathing begins with a dome-shaped muscle
  5. 9. Tube that connects the mouth to the larynx
  6. 12. infectious lung disease caused by bacteria
  7. 13. Tube that connects the trachea to the lungs.
  8. 15. nosebleed
  9. 16. A lung disease that inflames bronchial tubes
  10. 17. Hair like structures
  11. 18. inflammation of lung membrane
  12. 19. To breathe out
  13. 20. highly contagious viral infection
Down
  1. 1. It is a leaf-shaped flap of cartilage
  2. 4. inflammation of voice box
  3. 6. It is also known as windpipe, it filters the air
  4. 8. inflammation of nasal mucous membrane
  5. 10. Main part of the respiratory system
  6. 11. to breath in
  7. 14. It is the tiny sac like structure in the lungs