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How does waste filtered by kidneys leave the body?

User RRStoyanov
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The kidneys do a lot, but their most important job is to take waste out of the blood and make urine (pee). The urinary tract takes this waste out of the body when a person pees.
User Yann Stoneman
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A complicated chemical takes place, as waster materials and water leave your blood and enter your urinary system.
User Andrew Hows
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