The aorta (/eɪˈɔrtə/, from Greek, aeiro, to lift up)'s the largest blood vessel in the body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body in the systemic circulation. The course of the aorta The aorta's usually divided into five segments/sections : Ascending aorta—the section between the heart and the arch of aorta Arch of aorta—the peak part that looks somewhat like an inverted "U" Descending aorta&mda… (More on Aorta)