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.
Constipation is considered chronic if symptoms are present at least 3 times per week for 3 months. Itâs very common and affects up to 27% of the worldâs population (1, 2). Chronic constipation can be caused by medications or health conditions such as thyroid disorders, Parkinsonâs disease or spinal cord injuries.