Veins have thin walls and a large lumen to accommodate low-pressure blood flow efficiently, and possess valves to prevent backflow of this low-pressure blood.
Veins have thin walls and a large lumen to accommodate low-pressure blood flow efficiently, and possess valves to prevent backflow of this low-pressure blood.
| Front | Explain how the structure of veins makes them adapted for their function. |
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| Back | Veins:
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