tetrakaidecahedrons | scienceinfo.net

500 million skin cells are excreted every day but why does blood, body fluids do not leak through the skin?
We know that every day, the body releases 500 million dead skin cells and about 1 liter of sweat.
Why does body fluids not leak through the skin?
One thing special about the skin is that it doesn't leak blood or sweat despite the fact that we eliminate about 500 million cells in 24 hours a day.