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 is called as capacitance vessels 
Select and explain. 
A. Artery, B. Arteriole, C. Veins, D. Venule
C: Veins
Answer: C: Veins 
Explanation: A large amount of blood can be added to the venous system before the veins become distended to the point where further increments in volume produce a large rise in venous pressure. The veins are therefore called capacitance vessels.