Defecation is the evacuation of feces (feces) from the body, through the rectum through the anus, which involves the normal physiological process of gastrointestinal movement through chewing, digestion, and movement of food and fluids through the body.
Rectum - located in the pelvis slightly above the anus. Coming out at an angle, the anus opens into the intergluteal fold (the sphincter holds the contents of the rectum that were removed a little earlier). In some cases, stool can leave the body in any other position: lying on your back, sitting or standing, while sleeping at night. This occurs due to a weak anal sphinc