<prompt> Coronary blood flow, true is250mlminMaximum during systoleAdenosine decreases itMore than skin  <response>: Coronary flow at rest in humans is about 250 mLmin 5 of the cardiac output.Consequently, flow occurs in the aeries supplying the subendocardial poion of the left ventricle only during diastoleAdenosine cause coronary vasodilation and decrease flowCutaneous blood flow is about 10-15 mLmincutaneous tissue whereas in hea it is 70mL100g tissueminRef: Ganongs Review of Medical Physiology Twenty-Third Edition Page No:578 