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How come the human body does not absorb water completely? In other words; why is it that even though the water could be the best possible in terms of purity, the kidneys still need to filter it? What is there to filter if the water is completely clean and pure? Shouldn't all that water simply be absorbed by all the cells in our organism?​

User Jet
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Answer: this is a great question

Step-by-step explanation:

User Jeremiah Gowdy
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