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8 marksTransport Systems

CSEC Biology · May/June 2008 · Paper 2 · Question 6(a)(i)

How does the human body defend itself against disease?

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  1. 6(a)(ii)Identify TWO diseases from which the body CANNOT effectively defend itself.[8 marks]
  2. 6(a)(iii)For any ONE disease you identified at (a) (ii), explain why it is difficult for the body to defend itself from that disease.[8 marks]
  3. 6(b)Suggest TWO biological and TWO social implications of the improper use of antibiotics.[4 marks]
  4. 6(c)Alcohol is sometimes considered an abused drug. Explain why this may be an appropriate description.[3 marks]

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