Quelpr
2 marksExcretion and Homeostasis

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

Structure of a nephron.

State the function of EACH of the parts labelled A and B in Figure 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. 13(a)(i)Identify the parts labelled A, B and C in Figure 7.[3 marks]
  2. 13(b)Explain how urine is formed, detailing the processes of ultrafiltration and selective reabsorption.[8 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]

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