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