is the aorta larger in the vein or artery
Â© 2013 WebMD, LLC. All rights reserved. The aorta is the largest artery in the body. The aorta begins at the top of the left ventricle, the heart's muscular pumping chamber. The heart pumps blood from the left ventricle into the aorta through the aortic valve.he aorta is the largest artery in the body. The aorta begins at the top of the left ventricle, the heart's muscular pumping chamber.