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2. What is the definition of lung cancer?

  • a disease that destroys the wall of the alveoli
  • the uncontrolled growth of abnormal cells that start in the lining of air passages. they rapidly divide and form tumors
  • respiratory condition causing spasm in the bronchi

3. Two symptoms of lung cancer

  • coughing & wheezing
  • coughing up blood & persistent chest infections
  • sore throat & headache

4. What is the definition of asthma?

  • respiratory condition marked by attacks of spasm in the bronchi, causing a difficulty in breathing
  • Infection of the airways causing the bronchi to become inflamed and irritated
  • uncontrolled growth of abnormal cells in the lungs

5. What is the definition of emphysema?

  • A disease that destroys the walls of the alveoli, resulting in a loss of surface area available for the exchange of oxygen and carbon dioxide during breathing
  • uncontrolled growth of abnormal cells
  • respiratory condition causing spasms in the bronchi
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