BI-1156
Arteries, veins and capillaries
Biology · Secondary 3 · Medium · Arteries, veins and capillaries
Which statement explains why the wall of an artery is thicker and more elastic than that of a vein?
- To withstand and smooth out the high pressure of blood from the heart.
- To slow blood flow so that clotting can occur easily.
- To allow more valves to form along the vessel.
- To store extra blood when the body is resting.
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