As the arteries are the vessels through which the heart pumps oxygenated blood to the body, it is important that arteries are:

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The heart pumps freshly oxygenated blood through the arteries to all body tissues.The pumping of the heart makes this a high-pressure system.The artery walls are strong, tough, and tense to withstand pressure demands.Arteries contain elastic fibres, which allow their walls to stretch with systole and recoil with diastole.Arteries also contain muscle fibres (vascular smooth muscle), which control the amount of blood delivered to the tissues.The vascular smooth muscle contracts and dilates, which changes the diameter of the arteries to control the rate of blood flow.

As the Arteries Are the Vessels Through Which the Heart