A table covered in blue cloth and two pairs of rubber gloves can only mean one thing on The Oprah Show…Dr. Oz is back with more body parts! Last time Dr. Oz busted out the gloves, he exposed America to the dangers of liver and kidney disease, as well as a variety of other ailments. But this time Dr. Oz is out to stop a deadly killer that affects one out of every two women in the United States—cardiovascular disease.

Dr. Oz brought along examples of hearts that have endured unhealthy diets, bypass surgery and heart attacks. Get out your notepads—you won't want to miss a beat of this medical exam.

Can you tell the difference between healthy and diseased hearts? »