3. Characteristics of the 18 mm Hg renal blood flow mm Hg 1. High blood flow. 1200 ml/min or 21 percent of mm Hg the cardiac output. 949 10 mm Hg 13 mm H to the cortex n Hg 2, Two capillary beds High hydrostatic pressure in glomerular capillary (about 60 mmHg) and Interstitial fluid low hydrostatic pressure pressure 6 mm Hg in peritubular capillaries Ⅴ esa recta 0 mm Hg (about 13 mmHg)3. Characteristics of the renal blood flow: 1, High blood flow. 1200 ml/min, or 21 percent of the cardiac output. 94% to the cortex 2, Two capillary beds High hydrostatic pressure in glomerular capillary (about 60 mmHg) and low hydrostatic pressure in peritubular capillaries Vesa Recta (about 13 mmHg)