BI-1196
Arteries, veins and capillaries
Biology · Secondary 3 · Medium · Arteries, veins and capillaries
Which statement correctly compares arteries and veins?
- Arteries carry blood towards the heart and have valves.
- Veins carry blood away from the heart and have thick walls.
- Arteries carry blood away from the heart and usually lack valves.
- Veins carry blood away from the heart and lack valves.
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