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6. Tobacco smoke contains tar which clogs up the lungs and makes it more difficult to breathe, this can again lead to

  • Emphysema
  • Lung cancer

7. When the cilia are damaged, mucus and trapped particles then sink into the lungs, what do they not cause?

  • Lungs to collapse
  • Increased risk of disease
  • Irritation
  • Damage to the lung tissue

8. Where is the mucus moved to?

  • To the top of the trachea to be breathed out
  • To the top of the trachea to be swallowed
  • To the diaphragm

9. As the lungs have a good blood supply, tumours can spread through the body via __________

  • Blood stream
  • Mucus

10. In tobacco smoke there are many ___________, chemicals which cause cancer

  • Carbon dioxide
  • Carcinogens
  • Gases

11. Can passive smoking cause damage to the people?

  • Yes
  • No

12. Tobacco smoke damages cilia, causing the lungs to become clogged by mucus and damaged by the particles trapped in it. This explains the development of

  • Emphysema
  • Lung cancer

13. Inhalation of smoke causes paralysis of _______

  • Cilia
  • The trachea
  • Mucus

14. What is produced by the lining of the respiratory system to trap dust and bacteria from the air breathed in?

  • Mucus
  • Air
  • Blood
  • Gas

15. Emphysema is caused by inflammation and scarring of lung tissue, and damage to the alveoli

  • True
  • False

16. Which person has a persistent cough and finds it difficult to breathe?

  • Someone with emphysema
  • Someone with lung cancer

17. In what place do the lining cells have cilia?

  • Lungs and bronchioles
  • Trachea and bronchioles
  • Lungs and alveoli