trace the moment of deoxygenated blood in body
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Oxygenated blood is first formed in the lungs which is transported to the heart through the pulmonary vein. It enters through the left atria and passes into the left ventricle. From the left ventricle it passes through Aorta and goes to all body parts and becomes deoxygenated which is again purified in the lungs after passing through the heart.
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