The Human Circulatory System Anatomy Model is a half life-size anatomy model from 3B Scientific and manufactured in Germany. This half life-size relief model of the human circulatory system details the following anatomical structures: * The arterial/venous system * Heart * Lung * Liver * Spleen * Kidneys * Partial skeleton. A colorful and anatomically accurate teaching aid of the human circulatory system. The circulatory system model is delivered on a baseboard for easy display in a classroom or doctor's office. The model is 31.5 x 11.8 x 2.4 in. and weighs 7.94 lbs.