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Blood enters the heart throungh a venacava
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blood enters the right atrium
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blood goes through the tricuspid valve into the right ventricle
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bllod goes through the pulmonic valve
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blood goes through the pulmonary artery into the lungs where blood gets oxygen
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blood returns to the heart going through the pulmonary veins
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blood is pushed into the left atrium
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blood travels through the mitral valve into the left ventricle
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blood moves through the aortic valve then through the body
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