Blood Circulation & Conduction SystemOnline version In this game, players must correctly order the stages of blood circulation & conduction system in the human body. The objective is to understand how blood flows through the heart, lungs, and body; and how the signals travel in the heart. by Keng Chi 1 Order the elements based on the sequence of blood flow through the pulmonary circulatory system. Right ventricle Lungs Right atrium Pulmonary veins Pulmonary arteries Left atrium 2 Order the elements based on the sequence of blood flow through the systemic circulatory system. Right atrium Whole body Left atrium Aorta Vena cava Left ventricle 3 Order the elements based on the sequence of heart conduction system Atrioventricular (AV) node Sinoatrial (SA) node Bundle of His Left & right bundle branch Purkinje fibers