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8 marksExcretion and Homeostasis

CSEC Human and Social Biology · January 2011 · Paper 2 · Question 13(b)

Explain how urine is formed, detailing the processes of ultrafiltration and selective reabsorption.

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Other parts of this question

  1. 13(a)(i)Identify the parts labelled A, B and C in Figure 7.[3 marks]
  2. 13(a)(ii)State the function of EACH of the parts labelled A and B in Figure 7.[2 marks]
  3. 13(c)(i)Suggest TWO functions of the liver that would be impaired as a result of liver disease.[2 marks]
  4. 13(c)(ii)Identify THREE physiological effects of alcoholism other than tremors.[3 marks]
  5. 13(c)(iii)Suggest TWO social effects that could arise as a result of alcoholism.[2 marks]

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