Follow a Drop of Blood Through the Heart Posted on October 3, 2016October 2, 2016 by cprworksfl Follow a Drop of Blood Through the Heart superior and inferior vena cava right atrium tricuspid valve right ventricle pulmonary valve pulmonary artery LUNGS pulmonary vein left atrium mitral valve left ventricle aotic valve aorta Continue reading Follow a Drop of Blood Through the Heart