Respiratory System

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Across
  1. 1. windpipe
  2. 5. respiratory disease in which the mucous membrane in the bronchial passages of the lungs becomes inflamed
  3. 7. breathing in; inhalation
  4. 9. a contagious, airborne disease that is caused by a type of bacteria
  5. 11. breathe in air in the environment
  6. 12. moves oxygen into the blood and removes carbon dioxide
  7. 13. large branches that provide passage of oxygen into the lungs
Down
  1. 2. dioxide substance that is expelled from the lungs
  2. 3. common chronic respiratory disorder in which irritants and allergens can cause inflammation of the airways
  3. 4. infection of the lungs that is caused by bacteria, viruses, etc.
  4. 6. breathing out; exhalation
  5. 8. brings oxygen into the lungs and eliminates carbon dioxide
  6. 10. cancer uncontrolled growth of abnormal cancerous cells that are usually in the cells that line the air passages