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Why does the kidney need 1 million nephrons instead of one whole unit to carry out its function
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Why does the kidney need 1 million nephrons instead of one whole unit to carry out its function

User Uahmed
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The kidneys are a pair of bean-shaped organs on either side of your spine, below your ribs and behind your belly. Each kidney is about 4 or 5 inches long, roughly the size of a large fist. The kidneys' job is to filter your blood.
User Truncheon
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