Physiology Blood flow in the vessels supplying the subendocardial poion of left ventricle occurs during:September 2009 A Systole B Diastole C Throughout the cycle D Diastole and mid half of systole 💡 Explanation Blood flow in the vessels supplying the subendocardial poion of left ventricle occurs during:September 2009 ✓ Correct Answer: B. Diastole