Quelpr
1 markCoordination and Control

CSEC Human and Social Biology · January 2011 · Paper 2 · Question 4(b)(ii)

During resuscitation of a drowning victim:

Suggest which part of the brain is stimulated by carbon dioxide to restart breathing.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 4(a)Identify the structures labelled A, B and C in Figure 2.[3 marks]
  2. 4(b)(i)a)Explain why the lifeguard pressed the patient's head back and lower jaw upward.[1 mark]
  3. 4(b)(i)b)Explain why the lifeguard pressed down on the patient's chest.[1 mark]
  4. 4(c)(i)Name the type of organism that causes influenza.[1 mark]
  5. 4(c)(ii)Suggest how the organism that causes influenza is spread.[1 mark]
  6. 4(c)(iii)Identify TWO signs/symptoms of the flu.[2 marks]

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