The document provides a visual guide to the anatomy of the heart. It includes labeled diagrams showing the internal and external structures of the heart, such as the superior and inferior vena cava, right and left atria and ventricles, pulmonary and aortic semilunar valves, coronary arteries and veins. The guide was created by Associate Professor Rob Swatski of HACC York Campus to aid students in learning the anatomy of the heart.