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.
If those strategies donât help and your constipation persists for two weeks or longer, you may need a medication to relieve your symptoms. A variety are available in both nonprescription and prescription options. Most people will get the help they need from inexpensive, nonprescription drugs, such as stool softeners and laxatives.