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here is the most absorption of nutrients
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these functions are necessary for life
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It\'s how oxygen and nutrients are distributed and waste is picked up
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It\'s how the body uses oxygen and releases carbon dioxide
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it\'s how the body eliminates waste substances
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oxygen passes from the air to our body in our...
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it\'s the organ of the urinary system that cleans up blood
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in the cells oxygen and nutrients are used to make...
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it contains the urine before it goes out of our body
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digestion starts here
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oxygen is transported throughout our body to our...
