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Kidney will filter -ureters give flow -bladder will store-urethra help to release.
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Microscopic structures called nephrons are the functional units of the kidneys.

The kidneys regulate the balance of essential chemicals in the blood. The body needs a very specific balance of chemicals to work properly. This chemical balance affects blood pressure, blood volume, and blood pH.

The kidneys also remove waste products and excess water from the body in the form of urine.

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