Oxygenated blood from the body goes into the superior and inferior vena cava, then to the right atrium, to the tricuspid valve, into the right ventricle, to the pulmonary truck to the pulmonary valve to the pulmonary artery, into the lungs, then into the pulmonary veins, left atrium, mitral valve, left ventricle, aortic valve to the aorta then back to the rest of the body