caption: The image shows a diagram of a heart with the words "hypoplastic left heart syndrome" written on it. The heart is divided into two sections, the left and right ventricles, and the pulmonary artery. The left side of the heart is labeled with the names of the valves, while the right side has the valves labeled with their respective names. The valves are located in the left ventricle and are responsible for regulating the flow of blood from the heart to the heart.