Veins are more numerous than arteries and have thinner walls owing to lower blood pressure.
Why Do Veins Have Thinner Walls Than Arteries. Arteries have more smooth muscle in their walls than veins to accommodate the pulses of blood generated by each contraction of the heart. The vein is larger than the artery and has a thinner wall.
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They have thinner walls (much less smooth muscle surrounding them) than arteries, and have. Systemic arteries provide blood rich in oxygen to the body's together, their thicker walls and smaller diameters give arterial lumens a more rounded appearance in cross section than the lumens of veins. What do veins have that arteries do not and why?
Veins are more numerous than arteries and have thinner walls owing to lower blood pressure.
A middle layer, or tunica media; The blood pressure of the arteries is much greater. An inner layer, or tunica intima; Veins have valves that prevent back flow and ensure one way flow of blood.
