Unit 9 · Transport in Animals

Question Bank

Cambridge IGCSE Biology 0610 · 80 questions

Q69Transport in Animals

Which statement best describes Capillary?

(a)A tiny vessel with walls one cell thick where substances are exchanged between blood and tissues.

(b)The muscular wall separating the left and right sides of the heart, preventing mixing of oxygenated and deoxygenated blood.

(c)A system of blood vessels with a pump and valves that ensures one-way flow of blood.

(d)A blood vessel with thin walls, a wide lumen and valves that returns blood to the heart at low pressure.

Correct answer: (a) A tiny vessel with walls one cell thick where substances are exchanged between blood and tissues.

Explanation: Capillary: A tiny vessel with walls one cell thick where substances are exchanged between blood and tissues.

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