How Do Nails Work? (Video)
en español: Video: Uñas
What Do Fingernails and Toenails Do?
Your nails aren't just there to look pretty. Watch this nails video to find out how nails grow and why you shouldn't bite them!
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How Nails Work
Your nails aren't just there to look pretty. Watch this nails video to find out how nails grow and why you shouldn't bite them!