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Edexcel IGCSE Biology 3.11 Placenta & embryo nutrition

Practise explaining how placenta structure supports embryo nutrition, exchange of substances, waste removal and safe fetal growth in uterus diagrams.

Syllabus
First assessment 2019
Course
Biology 4BI1

Exam points

  • explain how villi, thin walls and capillaries make nutrient exchange efficient
  • link placenta transport to oxygen, glucose, amino acids and CO2 removal
  • use fetus or uterus diagrams to identify where the placenta develops and acts

3.11 Placenta and embryo nutrition question 1

[Maximum number: 3]

The diagram shows the human female reproductive system.

Figure for Question 3.11 Placenta and embryo nutrition question 1 — Edexcel IGCSE Biology

The diagram shows a human fetus developing in the uterus.

Figure for Question 3.11 Placenta and embryo nutrition question 1 — Edexcel IGCSE Biology

Explain how the structure of the placenta enables the efficient exchange of substances between the fetus and the mother.

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