The anus, in anatomy, is the external opening of the rectum. It is controlled by [sphincter muscles]?. |
The anus, in anatomy, is the external opening of the rectum. It is controlled by [sphincter muscles]?. Faeces are expelled from the body through the anus during the act of defecation?, which is the primary function of the anus. |
See also anal sex. |
See also anal sex. |