<prompt> Maximum reservoir of bloodLarge veinAoaHeaCapillaries  <response>: At rest, at least 50 of the circulating blood volume is in the systemic veins, 12 is in the hea cavities, and 18 is in the low-pressure pulmonary circulation. Only 2 is in the aoa, 8 in the aeries, 1 in the aerioles, and 5 in the capillaries Ref: Ganongs Review of Medical Physiology Twenty-Third Edition Page No:543 