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They filter the blood (actually just the plasma, the watery part of blood).

All kinds of stuff are filtered out (glomerulus) and then all the good stuff is reabsorbed (proximal tubules) ... its a throw out the baby with the bathwater, but then catch the baby sort of trick.

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13y ago
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10y ago

kidneys take out all of the bad stuff out of your blood like rectuline and prymothosis that are harmful to you. :)

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13y ago

It acts as a filter to remove waste products that are produced during normal cellular processes in your body.

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11y ago

The Blood pass through the kidneys and it made into a urine.

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10y ago

how many kidneys do we have what do they do to the blood

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Q: Does kidneys filter blood
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