A-LevelBiologyGas exchange9700/12 · Oct/Nov 2025 · Q361 Mark
The diagram shows parts of the gas exchange system in humans and the associated cells or structures. [Boxes with labels: alveolus, bronchiole, bronchus, trachea and ciliated cells, squamous epithelial cells, C-shaped rings of cartilage, ciliated cells and goblet cells] Which diagram shows the lines that correctly match the parts to their cells or structures?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A[Diagram A showing connections]
B[Diagram B showing connections]
C[Diagram C showing connections]
D[Diagram D showing connections]
✓ Correct answer
A: [Diagram A showing connections]
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