Question

Why human being sink in water when he was living while it's body floats on water when it was died

Answer 1

Biological reason of floating deadbodies:_

After a healthy humans death in water essential bacteria present in human gut is activated two times and produces immense amount of gases like carbondioxide,methane,hydrogen sulphide,etc which makes the body like balloon and at last density of the body is less than water as a result dead body floats due to the high rate of decomposition ……
when there is life the body have more density than water hence it sink