Blood flow through the heart follows which of the sequences listed below? A. from left atrium, then mitral valve, right ventricle, aorta, left ventricle B. from right atrium, then mitral valve, right ventricle, pulmonary trunk, left ventricle. C. from pulmonary trunk, then tricuspid valve, left atrium, aortic valve, aorta D. from vena cava, then right ventricle, pulmonary trunk, left ventricle, aorta.
Option D. Blood flows from vena cava, then right ventricle, pulmonary trunk, left ventricle, aorta.
