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
Aerobic capacity is increased by: 
Select and explain. 
A. Prolonged exercise routine, B. Strenuous exercise, C. Regular 3 minutes exercise, D. Spu of exercise
C: Regular 3 minutes exercise
Answer: C: Regular 3 minutes exercise 
Explanation: C i.e. Regular 3 minute excercise