What is the function of the heart? Please trace a drop of blood from the inferior vena cava (IVC) to the lungs and then from the lungs to the aorta. (Do not forget to include the valves).

What is the function of the heart? Please trace a drop of blood from the inferior vena cava (IVC) to the lungs and then from the lungs to the aorta. (Do not forget to include the valves).