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1 markTransport Systems and Locomotion

CSEC Integrated Science · 2006 · Paper 2 · Question 3(a)(ii)

Human circulatory system functions and effects of injury.

The heart of a small mammal is pierced by the spear of a hunter. Suggest ONE way in which this wound would lead to the death of the animal.

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Other parts of this question

  1. 3(a)(i)State FOUR functions of the circulatory system in humans.[2 marks]
  2. 3(b)(i)State the MAIN difference between the blood vessels in Figure 4.[1 mark]
  3. 3(b)(ii)Identify the type of blood vessel that is labelled A in Figure 4.[1 mark]
  4. 3(c)(i)Identify TWO of Ben's dietary habits that could contribute to his hypertension.[2 marks]
  5. 3(c)(ii)Suggest TWO other factors that could have contributed to Ben's hypertension.[2 marks]
  6. 3(c)(iii)Suggest THREE ways in which moderate exercise can affect Ben's body.[3 marks]
  7. 3(c)(iv)Ben develops a disease that weakens the muscular tissues of his body. Suggest the effect the disease could have on his blood pressure, giving ONE reason.[3 marks]

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