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': 'Aerobic capacity is increased by: \nSelect and explain. \nA. Prolonged exercise routine, B. Strenuous exercise, C. Regular 3 minutes exercise, D. Spu of exercise', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Regular 3 minute excercise', 'role': 'assistant'}]