Ключевые слова: anatomical, anatomy, aorta, artery, atrium, attack, biology, blood, body, cardiac, cardiology, cardiovascular, care, chest, circulation, circulatory, clipart, coronary, disease, education, electrocardiogram, exercise, flow, health, healthcare, healthy, heart, heartbeat, hospital, human, life, medical, medicine, model, muscle, organ, patien, physiology, pulmonary, pulse, pump, science, scientific, stress, surgery, system, test, valve, ventricle,