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1 markThe Respiratory System

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

During resuscitation of a drowning victim:

Explain why the lifeguard pressed the patient's head back and lower jaw upward.

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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)b)Explain why the lifeguard pressed down on the patient's chest.[1 mark]
  3. 4(b)(ii)Suggest which part of the brain is stimulated by carbon dioxide to restart breathing.[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]

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