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': 'Basic electrical rhythm is not seen in? \nSelect and explain. \nA. Stomach, B. Duodenum, C. Esophagus, D. Cecum', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Esophagus lRef: Ganong 24th/e p. 5041", 'role': 'assistant'}]