Question

Why do alive human body when drown in water sinks but why a dead body flows?

Answer 1

Alive human body sinks in water because it has some weight.A dead body looses the weight.So,it floats.
Larger volume than water sinks.
Smaller volume than water floats.

Answer 2

Why do alive human body when drown in water sinks but why a dead body flows?

Dead body floats on water surface while a living body sink into water due to depend on density.

The dead man density lower than water.but the living body having density more than water.

This is the reason why dead body floats in water and living body sink in water.