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6 marksIrritability and Response

CSEC Biology · January 2018 · Paper 2 · Question 4(a)

With the aid of a diagram of a reflex arc, describe the response of an individual whose skin suddenly comes into contact with a hot surface.

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Other parts of this question

  1. 4(b)The skin plays a role in maintaining a constant body temperature. Explain the skin's role in the reduction of internal body temperature, and suggest ONE reason…[5 marks]
  2. 4(c)Scientists predict that global temperatures will continue to rise over the next decade. State TWO factors that have contributed to rising global temperatures,…[4 marks]

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