Physiology General 10bca07d How much of blood flows through the kidneys? A 1-1.5 L/min B 1.5-2 L/min C 2-2.5L/min D 2.5-3 L/min High-Yield Explanation 1-1.5 L/min.The total renal blood flow (RBF) is approximately 1.1-1.3 Lit/min.i.e.,22-25% of cardiac output.