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': 'Myentric plexus is present in \nSelect and explain. \nA. Muscularis externa, B. Submucosa, C. Mucosa, D. Serosa', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Between the circular and longitudinal muscle layer lies the Auerbach plexus/ Myenteric plexus.', 'role': 'assistant'}]