Place the movement of blood in order from first to last.  …

Place the movement of blood in order from first to last.     Pressure builds in the right atrium forcing the tricuspid valve to open and blood to rush into the right ventricle. Blood travel through the pulmonary trunk to the pulmonary arteries and into the lungs to unload CO2 and pick up O2 Blood return from the body to the right atrium of the heart via the superior and inferior vena cava. Pressure build in the right ventricle forcing the pulmonary semilunar valve open.