A-LevelBiologyGas exchange9700/12 · Oct/Nov 2024 · Q351 Mark
Which row is correct for the wall of the trachea and the wall of the bronchus?
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.
Acartilage: ✓, smooth muscle: ✓, goblet cells: ✓
Bcartilage: ✓, smooth muscle: ✓, goblet cells: X
Ccartilage: ✓, smooth muscle: X, goblet cells: ✓
Dcartilage: X, smooth muscle: ✓, goblet cells: X
✓ Correct answer
A: cartilage: ✓, smooth muscle: ✓, goblet cells: ✓
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