Why do I get all wrinkly in the bath?

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Sometimes after getting out of the bath, your fingers and toes are all shriveled up, like prunes! Scientists have a few different ideas about why this happens. One likely reason is that when you spend a long time in water, like the bath or a pool, the outermost layer of skin on your fingers and toes soaks up some of the water around you!

By soaking up some water, your fingers and toes become a little bit bigger in size so, the best way for the extra, water-swelled skin to still fit at the tips of your hands and feet is for them to squish up and wrinkle!

According to this idea, the reason your whole body doesn’t shrivel up is because the outside layer of skin on your hands and feet is different (thicker) than the skin on the rest of your body. It’s the thickest outside layer that soaks up most of the water, so the thinner skin, like on your tummy, doesn’t act the same way in the water.

by   (whyzz writer)
  • Exploration

    Sweat it off!

    No matter how raisin-like you get, once you’ve been out of the water for a while, the water you’ve soaked up leaves your body again and your fingers and toes return to normal! (Whew!)

    Can you think of one of the main ways water might leave your body? If you guessed sweat, you’re right!

    What have you learned about why we sweat and how it’s helpful??

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