What does feces do in the digestive system?

Feces are the solid waste products of the digestive system. They are composed of undigested food, bacteria, and other waste products. Feces are formed in the colon and rectum and are eliminated from the body through the anus.

The process of defecation is controlled by the muscles of the colon and rectum. When the colon is full, it contracts and pushes the feces toward the rectum. The rectum then relaxes and the feces are expelled through the anus.

The frequency of defecation varies from person to person. Some people may defecate once a day, while others may defecate several times a week. The consistency of feces also varies from person to person. Some people may have hard, dry stools, while others may have soft, loose stools.

The appearance of feces can also provide information about a person's health. For example, black, tarry stools may indicate bleeding in the upper digestive tract, while pale, clay-colored stools may indicate a problem with the liver or pancreas.

If you have any concerns about the appearance or consistency of your feces, you should talk to your doctor.