A-LevelBiologyGas exchange9700/12 · Oct/Nov 2016 · Q361 Mark
The photomicrograph shows part of the lung as seen using a light microscope. Which row is correct for the features labelled 1, 2 and 3? [Figure 36.1]
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A1: alveolus, 2: bronchiole, 3: capillary
B1: alveolus, 2: capillary, 3: bronchiole
C1: bronchiole, 2: alveolus, 3: small artery
D1: small artery, 2: alveolus, 3: bronchiole
✓ Correct answer
C: 1: bronchiole, 2: alveolus, 3: small artery
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