The heart, anterior view, anatomy. The heart, and its large vessels: From left to right: The right atrium or right atrium which receives the delivery of the upper and lower cava veins the arch of the aorta and the departure of the brachiocephalic trunk, of the primitive carotid artery left and artery under left keyboard the pulmonary trunk above the right ventricle the left auricle surrounding the base of the pulmonary trunk above the left ventricle. The left and right coronary arteries supply the ventricles.