Question
State three structural differences between arteries and veins.
Answer
i. Arteries have thick muscular walls, veins have thin and less muscular walls;
ii. Arteries have narrow lumen, veins have wider lumen;
iii. Arteries have no valves except at junction with heart, veins have valves at regular intervals;
ii. Arteries have narrow lumen, veins have wider lumen;
iii. Arteries have no valves except at junction with heart, veins have valves at regular intervals;
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