<prompt> How much of blood flows through the kidneys?1-1.5 Lmin1.5-2 Lmin2-2.5Lmin2.5-3 Lmin  <response>: 1-1.5 Lmin.The total renal blood flow RBF is approximately 1.1-1.3 Litmin.i.e.,22-25 of cardiac output. 