<prompt> Regulation of coronary circulationAutonomicAutoregulatoryHormonalSympathetic  <response>: Ans. b AutoregulatoryRef: Ganong, 25th edp.612AutoregulationIt is the capacity of the tissue to regulate their blood flow - intrinsic basal myogenic toneLocal Metabolism is the primary controller of coronary flow - O2 demand is a major factorThis mechanism works well even when the nerves are removed 