Question

Why does the skin of your finger shrink when you wash clothes for a long time?​

Answer 1

Answer:

Our skin is porous and behaves as a semi permeable membrane. When we wash clothes, our hands are exposed to water for a long time. Our hands behave as hypertonic solution and the outside of our hands behave as hypotonic solution.The water is not entering your hands, it actually leaves them and hence, they shrink.

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Answer 2

This is  beacuse soap solution is hypertonic solution i,e. more concentrate than our skin cells. As we know when the cell is immersed in hypertonic solution water diffuse out of the cells by osmosis( diffusion of water across the semi-permeable membrane)due to lower concentration of water outside the cell. As a result, the cell shrinks, this process is called exosmosis. During washing of clothes, exosmosis takes place in the skin cells. This leads to shrinkage of skin over the fingers while washing clothes for a long time

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