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Blood flowing through the human circulatory system moves nutrients and oxygen to cells and carries waste and carbon dioxide away from cells how are the circulatory system and the respiratory system related
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Blood flowing through the human circulatory system moves nutrients and oxygen to cells and carries waste and carbon dioxide away from cells how are the circulatory system and the respiratory system related in humans

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Blood flowing through the human circulatory system moves nutrients and oxygen to cells-example-1
User Roddy Balkan
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A, the respiratory system because it transfers oxygen to the heart which is needed to oxygenate blood
User Kuujinbo
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A, the respiratory system gives oxygen to the heart which is needed to oxygenate blood
User Ish Thomas
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