vena cava: Quick Facts

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Illustration of a human heart in cross section, showing labeled chambers, valves, and major blood vessels including the aorta, pulmonary trunk, vena cavae, atria, and ventricles.

Diagram of the human torso showing the venae cavae and their major tributary veins, with labeled pathways including the jugular, subclavian, renal, iliac, and femoral veins as part of the cardiovascular system.

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