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Deoxygenated blood enters right side of the heart though the superior and inferior vena cava.
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Deoxygenated blood enters the right atrium.
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Deoxygenated blood goes though the tricuspid valve to the right ventricle.
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Deoxygenated blood goes though the pulmonic valve and pulmonic artery.
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The deoxygenated blood goes to the lungs and picks up oxygen.
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The newly oxygenated blood comes though the pulmonary veins to the left atrium.
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Oxygenated Blood goes though the mitral valve to the left ventricle.
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Oxygenated Blood goes through the aortic valve to the aorta.
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Blood leaves the aorta to give oxygen to cells and tissues throughout the body.
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Blood returns though the superior and inferior vena cava and the process starts back over.
