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## Heart Physiology ### Blood Flow through the Heart * Blood flows from the vena cava to the right atrium * Through the tricuspid valve to the right ventricle * Through the pulmonary vale to the pulmonary trunk * To the pulmonary arteries, and to the lungs * Blood then returns from the l...

## Heart Physiology ### Blood Flow through the Heart * Blood flows from the vena cava to the right atrium * Through the tricuspid valve to the right ventricle * Through the pulmonary vale to the pulmonary trunk * To the pulmonary arteries, and to the lungs * Blood then returns from the lungs through the pulmonary veins * To the left atrium * Through the bicuspid valve, to the left ventricle * Through the aortic valve, to the rest of the body The image also contains a diagram/illustration depicting a cross-section of a human heart, showing the flow along with the valves and vessels.