Blood flowing from the vena cavae to the pulmonary trunk passes through what series of structures? Which of the following options is correct?
a) Right atrium, pulmonary valve, right ventricle, tricuspid valve
b) Right atrium, tricuspid valve, right ventricle, pulmonary valve
c) Right ventricle, tricuspid valve, right atrium, pulmonary valve
d) Right ventricle, pulmonary valve, right atrium, tricuspid valve