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OpenStudy (anonymous):
What prevents the backflow of urine from the urinary bladder to the kidneys? peristaltic action of muscles of the ureters peristaltic action of muscles of the kidneys pulling action of the force of gravity
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OpenStudy (anonymous):
@Love_Ranaa hello are u able to help
OpenStudy (love_ranaa):
peristaltic action of muscles of the kidneys
OpenStudy (anonymous):
thank u i thought it was B. but u never know got to ask a smart person lol
OpenStudy (love_ranaa):
:)
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