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
Which of the following statements is true about capillaries 
Select and explain. 
A. Contains 5% of total blood volume, B. Contain 10% of total blood volume, C. Velocity of blood flow is maximum, D. Offer maximum resistance to blood flow
A: Contains 5% of total blood volume
Answer: A: Contains 5% of total blood volume 
Explanation: Capillaries contain 5% of the blood volume.