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.
For Constipation I have chronic constipation due to medications mainly my pain medications and I take miralax on occasion and it works but for me takes a full 3 days for it to kick in and get my bowels moving again. I recommend taking this as soon as you get constipated for some it works as soon as 12 hours.