The Respiratory system

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Across
  1. 4. Air in the pleural cavity
  2. 5. A common name for a Rhinovirus infection
  3. 6. Inflammation of the pleura
  4. 9. A respiratory reflex to expel material from the nose
  5. 10. Substance produced by the lung to reduce the surface tension of water
  6. 13. Difficult breathing
  7. 15. Blue colouration of the skin due to lack of oxygen
  8. 16. Common name for the pharynx
  9. 18. Common name for influenza
  10. 19. Quality of a persons voice who has some degree of inflammation of the larynx
Down
  1. 1. To cough up blood in the sputum
  2. 2. A high pitched sound made when there is a breathing obstruction
  3. 3. Inflammation of the bronchial tree
  4. 7. Nose bleed
  5. 8. Episode of coughing
  6. 11. A tube connecting the larynx and the bronchi that provides passage for air
  7. 12. A respiratory reflex to expel secretions from the respiratory system
  8. 14. Part of the respiratory system where gas exchange takes place
  9. 17. A chronic respiratory disease characterised by coughing, wheezing and shortness of breath