Which of the following is the correct sequence of parts through which blood moves from the vena cava to the lungs?
A. Right atrium, tricuspid valve, right ventricle, pulmonary valve
B. Right ventricle, tricuspid valve, right atrium, pulmonary valve
C. Right ventricle, pulmonary valve, right atrium, tricuspid valve, right ventricle
D. Right atrium, pulmonary valve, right ventricle, tricuspid valve
Answer: A
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