Science, asked by thanmayeevangala, 5 months ago

how do kidneys from urine

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Answered by sakshichoudhary844
3

Answer:

From the kidneys, urine travels down two thin tubes called ureters to the bladder. The ureters are about 8 to 10 inches long. Muscles in the ureter walls constantly tighten and relax to force urine downward away from the kidneys. If urine is allowed to stand still, or back up, a kidney infection can develop.

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