300
List, in order, how blood travels through your heart. Use the terms aorta, superior vena cava, left atrium, left ventricle, inferior vena cava, right atrium, right ventricle, pulmonary arteries, and pulmonary veins.
What is superior/inferior vena cava, right atrium, right ventricle, pulmonary arteries, pulmonary veins, left atrium, left ventricle, aorta.