A-LevelBiologyTransport in mammals9700/12 · Oct/Nov 2023 · Q301 Mark

What does the inner layer of veins and capillaries contain?

Acollagen fibres

Belastic fibres

Cendothelium

Dsmooth muscle

✓ Correct answer

C: endothelium

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2023 Paper 1 Variant 2, question 30.

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