How Does the Urinary System Work? (Video)
en español: Video: Aparato urinario
What's the Urinary System? And What's Pee?
You drink, you pee. But urine is more than just that drink you had a few hours ago. If you've ever wondered where pee comes from, this movie has the answers!
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How the Urinary System Works
Watch this movie about the urinary system, which makes pee.
