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3 marksTransport Systems

CSEC Biology · January 2021 · Paper 2 · Question 6(a)(ii)

Structure and functioning of the mammalian heart, heart valves, and physiological conditions.

On Figure 5, label the THREE valves named in (a)(i) to show their location.

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Other parts of this question

  1. 6(a)(i)Name THREE valves found in the heart.[3 marks]
  2. 6(b)State ONE difficulty that Joy may experience as a result of having an abnormal heart valve.[1 mark]
  3. 6(c)Outline how the cause of diabetes is different from the cause of hypertension.[2 marks]
  4. 6(d)Compare the methods used to manage diabetes and hypertension by outlining TWO similarities and TWO differences in these methods.[6 marks]

More practice: the rest of this paper · more Transport Systems questions · all CSEC Biology past papers