Quelpr
10 marksSexual Reproduction in Humans

CAPE Biology Unit 1 · 2007 · Paper 2 · Question 7(a)(i)

Give a detailed, labelled drawing of a section of the placenta to show the relative positions of the umbilical cord and blood vessels, the villi, uterine wall, maternal blood spaces and maternal blood vessels (inclusion of embryo not required).

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 7(a)(ii)In the umbilical cord use arrows to show the direction of blood flow and indicate which blood is oxygenated or deoxygenated.[1 mark]
  2. 7(b)(i)The function of the amnion[10 marks]
  3. 7(b)(ii)The effects of the foetus on the mother[1 mark]
  4. 7(b)(iii)The lifestyle requirements of the mother for healthy foetal development[1 mark]

More practice: the rest of this paper · more Sexual Reproduction in Humans questions · all CAPE Biology Unit 1 past papers