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.
Call your doctor right away if you have sudden constipation with belly pain or cramping and you arenât able to poop or pass gas at all. Also, make the call if: Constipation is a new problem for you, and lifestyle changes havenât helped. You have blood in your stool. Youâre losing weight even though youâre not trying to. You have severe pain with bowel movements. Your constipation has lasted more than 2 weeks. The size, shape, and consistency of your stool has changed dramatically. Your doctor may recommend some tests to find the cause of your constipation: Blood tests to check on hormone levels Tests that check the muscles in your anus