This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Physiology
[{'content': 'Interstitial cells of cajal are located in \nSelect and explain. \nA. Gi, B. Hea, C. Lung, D. Bone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Interstitial cells of cajal are located in the gastrointestinal tract They act as pace makers and produce slow waves which help in peristalsis Ref: Guyton and Hall textbook of medical physiology 12th edition ,page no :396', 'role': 'assistant'}]