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': 'Temperature centre is ? \nSelect and explain. \nA. Supraoptic nucleus of hypothalamus, B. Paraventricular nucleus of hypothalamus, C. Preoptic nucleus of hypothalamus, D. Suprachiasmatic nucleus of hypothalamus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is'c'i.e., Preoptic nucleus of hypothalamus [Ry' Ganong 23'd/e p. 275)", 'role': 'assistant'}]