This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Heart, Circulation, and Blood, Subject name: Physiology
Largest storage of blood is in? 
Select and explain. 
A. Capillaries, B. Veins, C. Arteries, D. Venules
B: Veins
Answer: B: Veins 
Explanation: ANSWER: (B) VeinsREF: Ganongs 22nd edp.595Veins are also called capacitance vessels because they contain the maximum amount of blood in circulation