This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Basal electrical rhythm of GIT is  produced by \nSelect and explain. \nA. Meissner plexus, B. Myentric plexus, C. Interstitial cells of cajal, D. Smooth muscle at cardiac end of stomach', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Smooth muscle of GIT shows spontaneous fluctuation in membrane potential (between - 65mV and - 45mv) this is called\xa0 basal electrical rhythm. It is produced by interstitial cells of cajal.', 'role': 'assistant'}]