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List in the order the major blood vessels, chambers, and valves through which a drop of blood must pass in traveling from a vena cava

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Deoxygenated blood flows from the vena cava, into the right atrium, it's then pumped through the atrio-ventricular valves and into the right ventricles. It is then pumped from the right ventricles through the semi-lunar valves to the pulmonary artery where deoxygenated blood is carried to the lungs