This is a classic example of "Word of mouth".
There is no single word about breathing in the paper(s), because you shouldn't - body waste is body waste.
In case you speak german:
www.youtube.com/watch?v=LQAF...
This is a classic example of "Word of mouth".
There is no single word about breathing in the paper(s), because you shouldn't - body waste is body waste.
In case you speak german:
www.youtube.com/watch?v=LQAF...