8 marksExcretion and Osmoregulation
CSEC Biology · May/June 2009 · Paper 2 · Question 4(a)(ii)
Suggest why urine production is important in humans.
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Practise this questionOther parts of this question
- 4(a)(i)With the aid of a fully annotated diagram of the kidney (uriniferous) tubule, explain how urine is produced and gets to the bladder.[8 marks]
- 4(b)Explain how his body functions to deal with the excess water.[3 marks]
- 4(c)Suggest TWO reasons why the plants observed growing along the trail had mechanisms to reduce water loss.[4 marks]
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