Here's a breakdown:
* Defecation is the act of passing stool (feces) from the rectum through the anus.
* It's the final stage of digestion, where undigested food and waste products are expelled from the body.
* The process is controlled by muscles in the rectum and anus, and is influenced by factors like diet, hydration, and gut health.
If you were looking for something else, please provide more context or clarify your question.