The anal canal serves to trasmit & lubicate stool as it passes externally from the rectum,& the anorectal junction maintains continence until by relaxation, the anorectal angle straightens,allowing defecation...?
To excrete waste from the body.
To excrete waste/ feces.
It is used to expel faeces from the body system through the rectum
It's the exit point of the alimentary canal, used to expel solid waste from the body.