Flow Chart: Blood Circulation Through the Human Heart
1. Entering deoxygenated blood into right atrium via vena cava
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2. Passing through tricuspid valve into the right ventricle
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3. Pumping blood via pulmonary artery to lungs for oxygenation
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4. Returning oxygenated blood to left atrium through pulmonary veins
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5. Moving through mitral bicuspid valve into the strong left ventricle
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6. Pumping freshly oxygenated blood into aorta for systemic delivery