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1 markExcretion and Homeostasis

CSEC Integrated Science · 2008 · Paper 2 · Question 4(c)(i)

Jerry heard barking dogs and ran rapidly away from the game. State which hormone was likely to have enabled this fight-or-flight response.

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Other parts of this question

  1. 4(a)(i)Describe the role of the brain in assisting Jerry to successfully jump from Levels 1 to 7.[2 marks]
  2. 4(a)(ii)Describe the role of the eyes in assisting Jerry to jump through the hop-scotch levels.[2 marks]
  3. 4(a)(iii)Describe the role of muscles in assisting Jerry to jump through the hop-scotch course.[2 marks]
  4. 4(a)(iv)Describe the role of the semi-circular canals in assisting Jerry during the game.[2 marks]
  5. 4(b)(i)State at which level(s) of the game Jerry is likely to be MOST stable.[1 mark]
  6. 4(b)(ii)Give a reason for the answer in (b)(i).[1 mark]
  7. 4(c)(ii)Describe TWO physiological effects of adrenaline on Jerry's body.[2 marks]
  8. 4(d)(i)State which hormone will promote the development of facial hair as Jerry matures.[1 mark]
  9. 4(d)(ii)State which hormone is necessary to control the amount of glucose in Jerry's blood.[1 mark]

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