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.
Discontinue use after 7 days. Castor oil is usually considered a temporary treatment for constipation and is not meant to be taken long-term. Unless under a doctor's supervision, you should not take castor oil for more than 7 days at a time.