Question

Why does the skin of our fingers shrink when we wash clothes for a long time. Why?

Answer 1

Answer:

As a response to the characteristics of human evolution. When our skin is in contact with water for a long time then our brain provides signals to our body to become aware of any external stimuli. So in order to have a stronger grip inside water our skins gets wrinkled.

Answer 2

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When we wash clothes, our hands are exposed to water for a long time. Our hands behave as a hypertonic solution and the outside of our hands behave as a hypotonic solution. ... So actually the water is not absorbed here just leaving and thus it shrinks.