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3 marksThe Circulatory and Lymphatic Systems

CSEC Human and Social Biology · May/June 2011 · Paper 2 · Question 3(c)(i)

Anna-Nicole experiences breathing difficulty after distance running, which may be linked to circulatory issues.

Explain how an issue with pulmonary circulation could lead to her breathing difficulties.

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Other parts of this question

  1. 3(a)(i)Name the process that causes perfume scent to travel between rooms.[1 mark]
  2. 3(a)(ii)State how this process differs from osmosis.[2 marks]
  3. 3(b)(i)Define active transport.[2 marks]
  4. 3(b)(ii)State ONE location in the human body where active transport takes place.[1 mark]
  5. 3(b)(iii)Identify the cell structure where active transport occurs.[1 mark]
  6. 3(c)(ii)Explain how a defect or weakness in the muscular heart walls would affect systemic circulation.[3 marks]
  7. 3(c)(iii)State TWO functions of the lymphatic system.[2 marks]

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