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How do the excretory and respiratory systems work together?

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The excretory system helps the respiratory system by geting rid of carbon dioxide. The respiratory system helps the excretory system by getting rid of CO2 from the body.
User Chris Arena
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The respiratory system is important because it brings oxygen to cells in your body. But it also removes a waste, carbon dioxide. Another system in your body, the excretory system, also removes wastes. The excretory system moves waste from your digestive system and from your blood out of your body.
User Carlosayam
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