第一节心脏的泵血功能 Heart AnteriorView of the Heart Anterior cardiac veins Aorta Circumflex artery Great cardiac vein Inferior vena cava Left coronary artery Left ventricle igamentum arteriosum Marginal artery Pulmonary trunk Right atrium Right coronary artery Right ventricle Small cardiac vein Superior vena cava 第一节 心脏的泵血功能