Human Body

When a man falls in a sea the human body gets sink in water, after the the man consume much water and die, the body floats in water surface. Why the body sunk? and Why the body floats at last?

Questions by mazahar

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  • Jan 26th, 2011

As bacteria start to work and decompose the bodies internal tissue - gas builds up which reduces overall denisty of the body - so the body floats. If you got proper swimming lessons, the body actually should float. The key is archimedes principle - i.e., the more water you displace creates upthrust to the mass displacing the water - so it floats. This explains why iron ships float. However, if you lose of centre of gravity by moving about then you will sink - that is why it is important to be relaxed when you try to float.

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