A-LevelBiologyGas exchange9700/12 · May/June 2017 · Q311 Mark
The photomicrograph shows a section through lung tissue. [Photomicrograph of lung tissue] Which structures are present in this photomicrograph? [Table with columns 'artery', 'vein', 'bronchioles', 'bronchus', 'trachea' and rows A, B, C, D]
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Aartery ✓, vein ✓, bronchioles X, bronchus X, trachea X
Bartery ✓, vein X, bronchioles ✓, bronchus X, trachea X
Cartery X, vein ✓, bronchioles ✓, bronchus ✓, trachea X
Dartery X, vein X, bronchioles X, bronchus ✓, trachea ✓
✓ Correct answer
A: artery ✓, vein ✓, bronchioles X, bronchus X, trachea X
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