Quelpr
2 marksCoordination and Control

CSEC Human and Social Biology · May/June 2012 · Paper 2 · Question 3(d)(i)

Robert is fascinated by involuntary blinking.

Explain the difference between voluntary and involuntary actions.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)Name the TWO subdivisions of the nervous system.[2 marks]
  2. 3(b)(i)State the names of the parts labelled X and Y in Figure 5.[2 marks]
  3. 3(b)(ii)State ONE function of EACH of the parts labelled X and Y.[2 marks]
  4. 3(c)(i)Suggest the part of the brain that may be responsible for the intermittent fever.[1 mark]
  5. 3(c)(ii)Suggest the part of the brain that may be responsible for the irregular heartbeat and breathing.[1 mark]
  6. 3(d)(ii)Give ONE example of a voluntary action and ONE example of an involuntary action other than blinking.[2 marks]
  7. 3(e)(i)State the term used for the chemicals released from vesicles at a synapse.[1 mark]
  8. 3(e)(ii)Explain the role of the chemicals released at a synapse.[2 marks]

More practice: the rest of this paper · more Coordination and Control questions · all CSEC Human and Social Biology past papers