Excretion

Excretion, the excretion of endogenous or exogenous substances from the organism. Excretion occurs mainly through the kidney, but can also occur through liver, lungs, or exocrinee glandn (e.g. sweat glandn).

The food-pure is excreted with the Defäkation over rectum and anus.

https://de.wikipedia.org/wiki/Exkretion _{(Wikipedia CC-by-sa-3.0)}