According to WebMD, the main artery in the body is the aorta. It is connected to the left ventricle of the heart. The aorta branches off into a web of numerous smaller arteries that exist all over the body. More »

Arteries are blood vessels within the body that provide oxygen-rich blood to the tissues in the body, as defined by WebMD. The arteries are able to deliver this oxygen due to the pumping mechanism of the heart. More »

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Arteries do not have valves. This is because the pressure from the heart is so great that valves are not needed to prevent the backflow of blood. This contrasts with veins, which do possess valves to prevent the backflow... More »

The aorta is the biggest artery in the body, and it carries and distributes oxygen-rich blood to other arteries, says Regina Bailey on About Biology. It arises from the heart’s left ventricle, forms an arch and branches ... More »

According to HealthCentral, the artery that runs from the heart to supply blood to the rest of the body is the aorta. Many forces in the body cause the aorta to weaken, and as it weakens, it becomes enlarged. Enlarged ao... More »

Aortic valve disorder is a condition in which the valve between the heart and the aorta, the primary artery in the body, does not work properly, according to Mayo Clinic. The condition includes several different types of... More »

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The main function of the endocrine system is to help regulate and maintain the various functions of the body by releasing hormones, which are often referred to as chemical messengers. These hormones are produced and secr... More »