What are the largest veins and arteries in the body?

The largest artery of the body is the aorta, which comes right out of the heart and supplies the entire body with blood. It has a larger diameter than most plumbing in your house, approximately the size of circle with your index and thumb. read more

The largest artery in your body is the Aorta. The largest vein in the body is Vena Cava. The aorta is the largest blood vessel in the body. It is an artery that directly arises from the heart itself and descends through the thorax and into the abdomen. read more

The four defects are: Pulmonary artery stenosis (Pulmonary artery is narrow or obstructed), Ventricular septal defect (Large hole between two ventricles lets venous blood pass from the right to the left ventricle and out to the aorta without oxygenation), Shift of the aorta to the right (Aorta overrides the interventricular septum. read more