During diastole, the arterial pressure is maintained by: (A) Elastic recoil of aorta, (B) Musculature of arterial, (C) Constriction of capillaries, (D) Contraction of left ventricle
Answer is A. 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"