<prompt> Maximum blood flow per 100 gm of tissue is in:BrainHeaKidneyLiver  <response>: Organ Blood flow during rest mlmin. Blood flow maximal vasodilatation mlmin. Blood flow ml per 100 gm of tissue per min. total cardiac output Brain 750 1500 55 14 Hea 250 1200 80 5 Liver 1300 5000 85 23 Kidneys 1200 1500 400 22 Muscle 100 20,000 3 18 Skin 200 4000 10 4 Highest amount of blood flow mlmin: Liver Highest amount of blood flow ml100 gm of tissuemin.: Kidneys. However, carotid body receives 2000 ml100 gm of tissuemin., highest for any tissue in the body. Highest aerio-venous O2 difference is seen in the hea; it is least in the kidneys. 