Let's start off with the body, from there it goes to the superior or inferior vena cava, then it moves to the right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary trunk/artery to the lungs; after that it goes to the pulmonary ventricle, left atrium, mitral/bicuspid valve to the left ventricle into the aortic valve and then the aorta out the body again.