OCR Unit 2 Biology The effects of smoking

A little quiz to help final knowledge. Maybe a couple of days before your exams?


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1. what is smokers cough

  • an attempt to shift the bacteria laden mucus in the airways, caused by irritation of the airways
  • a form of the flu
  • The irriation of the alveoli due to the tar lining them
  • One of the frequent infections brought on by mucus capturing bacteria that is trapped in place by the tar
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2. Chronic obstructive pulmonary disease is

  • a form of cancer
  • a combo of diseases such as emphysema and asthma
  • Just a cough
  • when the tar from smoke blocks you airways completely, and starts poisoning the air entering your lungs

3. tar .....

  • decreases the diffusion distance for o2 and co2
  • settles on the airways and alveoli
  • blocks the blood vessels

4. How does tar effect cilia

  • turns them into goblet cells
  • infects them, turning them into cancerous cells
  • paralyses or kills them
  • makes them grow

5. what are some of the effects of smokers cough

  • damages the lining of the airways, causing it to be raplaced by scar tissue
  • rots teeth
  • gives you permenantly cracked lips
  • increases the diffusion distance


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