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Human Body Facts for Kids
Surprising facts about your body
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Your pupils get bigger when you see something interesting or when it's dark outside.
Human BodySource: Scientific American
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About 60% of your body is made up of water.
Human BodySource: USGS
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No two people have the same pattern of bumps on their tongue — your tongue print is as unique as your fingerprint.
Human BodySource: Healthline