What is the difference in the structure of the walls of arteries and veins?

The walls of the arteries are much thicker than those of the veins, since they have many elastic fibers and well-developed muscles. Due to the contraction of the tissues located in the wall of the arteries, oxygen is quickly delivered to all organs. The walls of the veins are thinner due to the low pressure, therefore, the surface inside the vessel is smooth.



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