Quelpr
2 marksSense Organs and Coordination

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

Jerry is playing hop-scotch, which requires placing one foot in single boxes and one foot in each box when two boxes are paired side-by-side.

Describe the role of the brain in assisting Jerry to successfully jump from Levels 1 to 7.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 4(a)(ii)Describe the role of the eyes in assisting Jerry to jump through the hop-scotch levels.[2 marks]
  2. 4(a)(iii)Describe the role of muscles in assisting Jerry to jump through the hop-scotch course.[2 marks]
  3. 4(a)(iv)Describe the role of the semi-circular canals in assisting Jerry during the game.[2 marks]
  4. 4(b)(i)State at which level(s) of the game Jerry is likely to be MOST stable.[1 mark]
  5. 4(b)(ii)Give a reason for the answer in (b)(i).[1 mark]
  6. 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.[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]

More practice: the rest of this paper · more Sense Organs and Coordination questions · all CSEC Integrated Science past papers