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': 'Tidal volume in adult is: \nSelect and explain. \nA. 125 ml, B. 500 ml, C. 1500 ml, D. 2200 ml', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The amount of air breathed in and out of lungs in a single quiet respiration is called Tidal volume. The normal value is 500 ml.', 'role': 'assistant'}]