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 Pulmonary veins Left atrium Lungs Pulmonary arteries Right atrium 2 Order the elements based on the sequence of blood flow through the systemic circulatory system. Aorta Left atrium Right atrium Whole body Vena cava Left ventricle 3 Order the elements based on the sequence of heart conduction system Left & right bundle branch Sinoatrial (SA) node Bundle of His Atrioventricular (AV) node Purkinje fibers