Why do only fingers and toes wrinkle in the bath and not the rest of the body?

Question: Why do only fingers and toes wrinkle in the bath and not the rest of the body?
- Keywords:
  body,
  organ,
  skin,
  water
Asked by to sakshisharda on 24 Jun 2014. This question was also asked by .
- Sakshi Sharda answered on 24 Jun 2014:
  
  Hi ellemay
  
  The outer layer of the skin is made up of dead cells that contain a protein called keratin. Now when we are immersed in water, these cells absorb water and causes the skin to swell, and to compensate for the rise in surface area our skin wrinkles! Compared to the other parts of the body our hands and toes have a thick skin with more keratin that absorbs more water. that is the reason, only the extremities swell up and not the other parts of the body.

ammonia7642 commented on 24 Jun 2014:

That is interesting!

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- sakshisharda commented on 24 Jun 2014:
  
  Yes, our bodies work in interesting ways indeed!
  
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Question: Why do only fingers and toes wrinkle in the bath and not the rest of the body?