Physiology Glomerular Filtration, Renal Blood Flow, and Their Control 53a68586 Normal GFR is A 25ml/min B 50ml/min C 125 ml/min D 90ml/min High-Yield Explanation Ans. (c) 125 ml/minRef: Ganong's physiology 23rd ed./ 646* Normal GFR in a healthy person is 125ml/min.