<P> In a four - chambered heart , such as that in humans , there are two ventricles that operate in a double circulatory system : the right ventricle pumps blood into the pulmonary circulation to the lungs , and the left ventricle pumps blood into the systemic circulation through the aorta . </P>
where do the ventricles pump blood to in the body
into the systemic circulation through the aorta into the pulmonary circulation to the lungs