superior vena cava illustration PNG, stickers, cliparts, transparent illustration & graphics

546x678px

heart anatomy diagram, circulatory system illustration, superior vena cava label, inferior vena cava structure, cardiovascular system chart, human heart ventricles, medical education graphics
443x612px

human heart anatomy, superior vena cava illustration, systemic circulation diagram, heart rate visual, cardiovascular system study, medical organ depiction, human body organ reference