Best Answer: The peripheral nervous system, which it is a component of. The sympathetic and parasympathetic systems are components of the autonomic nervous system.
Also, make the call if: 1  Constipation is a new problem for you. 2  You have blood in your stool. 3  You are losing weight even though you are not dieting.  You have severe pain with bowel 1  movements. Your constipation has lasted more than 2 weeks.  You have pencil-thin stools.
A: Suppositories for constipation are made of glycerin, a laxative which works by drawing water into the intestine, generally producing a bowel movement within an hour of administration, according to WebMD. Using suppositories or any type of laxative too frequently can cause a loss of bowel function. Continue Reading