Heart is sectioned into two parts to show the thickened ventricle walls and cardiac valves. Includes four individual blood vessel models that how the progression of atherosclerosis. Comes with a full-color, two-sided, sturdy plastic, 8-1/2" x 11" chart. One side shows normal anatomy, and the other side shows several heart conditions, such as angina, common areas of coronary artery blockage, myocardial infarction (heart attack), left ventricular hypertrophy (LVH), progression of atherosclerosis, and coronary artery disease and arteriosclerosis. 12" x 10".