Veins have thinner walls and a larger lumen than arteries due to lower blood pressure, and contain valves to prevent backflow and ensure unidirectional blood flow.
Como as veias são adaptadas à sua função? (3 características) As paredes não são tão grossas porque o sangue está sob menor pressão. Lúmen maior para ajudar o fluxo sanguíneo apesar da baixa pressão. Válvulas para manter o sangue fluindo na direção correta.
| Front | How are veins adapted to their function? (3 characteristics) |
|---|---|
| Back | Walls aren't as thick because blood is at lower pressure. Bigger lumen to help blood flow despite low pressure Valves to keep the blood flowing in the right direction |
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