Unit 9 · Transport in Animals

Question Bank

Cambridge IGCSE Biology 0610 · 80 questions

Q64Transport in Animals

Which vessel has walls one cell thick?

(a)Artery

(b)Vein

(c)Aorta

(d)Capillary

Correct answer: (d) Capillary

Explanation: Capillaries have thin walls for short diffusion distances.

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