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Name: Joan
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Question:
Why do your hands wrinkle up when they get wet?



Replies:
I believe it's because the water enters the cells of your skin, causing them to swell. Since the volume of the rest of your tissues remains more or less the same, the swelling skin cells have no choice but to move outwards, pulling away from your body and folding into the characteristic wrinkles.

--Wordsworth



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