Human Circulatory System Test

Starting from the right atrium, which of the following is the correct pathway for blood flow through the human circulatory system?

(a)Mitral valve, right ventricle, pulmonary vein, aorta
(b)Right ventricle, pulmonary artery, left atrium, aorta, left ventricle
(c)Tricuspid valve, right ventricle, pulmonary artery, left atrium

Answer
(c)Tricuspid valve, right ventricle, pulmonary artery, left atrium