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
[{'content': 'During diastole, the arterial pressure is maintained by \nSelect and explain. \nA. Elastic recoil of aorta, B. Musculature of arterial, C. Constriction of capillaries, D. Contraction of left ventricle', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Elastic recoil of aortaRef: Ganong, 25th ed/p.576Because of its elastic recoil nature, blood flow is continuous and the diastolic pressure stays at 80mmHg. This elastic recoil effect is called "Windkessel effect"', 'role': 'assistant'}]