Excretion vs Ingestion - What's the difference?
excretion | ingestion |
The process of removing]] or ejecting material that has no further utility, especially from the body; the act of [[excrete, excreting.
Something being excreted in that manner.
The action of ingesting, or consuming something orally, whether it be food, drink, medicine, or other substance. It is usually referred to as the first step of digestion.