your body receives oxygen rich blood from your heart through a network of arteries

anatomy aorta artery atrium bicuspid valve biology blood flow vessel capillary cardiac muscle septum wall cardiovascular system chest pain contraction coronary cure disease emergency treatment endocardium healing health heart attack catheterisation medicine left ventricle obstruction organ papillary pericardium pulmonary circulation vein right semilunar stent sternum stethoscope symptom systemic