Heart Diagram – Diagram of a heart – Human Heart – Human Heart Anatomy. The human heart consists of the following parts aorta, left atrium, right atrium, left ventricle, right ventricle, veins, arteries and others. The below heart diagram with labels can be used for kids education, science classes, etc.Heart Diagram Diagram - Heart Diagram Chart - Human anatomy diagrams and charts explained. This anatomy system diagram depicts Heart Diagram with parts and labels. Best diagram to help learn about health, human body and medicine.