Science · JCE / Reproduction and growth
StructuredPast exam questionForm 3 · JCE
The diagram below shows a foetus attached to the placenta.
- aName the part labelled X. [1]
- bCompare carbon dioxide in the blood moving in to the foetus with that moving out (less, equal or more). [2]
- cCompare oxygen in the blood moving in to the foetus with that moving out. [2]
- dGive two reasons why the blood of the mother and that of the foetus should not mix. [2]
You'll mark your own answer against the marking guide when you hand it in.
Source: BEC JCE Science 2016, Paper 2, Question 9
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