Kidneys are bean-shaped organs, about 11 cm long, 6 cm wide, 3 cm thick and weigh 150 gthe kidney contain usually seven pyramidscardiac stroke volume is about 70 mlheart rate is about 72 peat per mincardiac output =Stroke volume x Heart rate= 70×72= 5 litter per minthe kidneys receive about 22% from cardiac output is about 1100 ml per minthe blood consist from plasma 55% and cell 45%20% plasma will be filtered by the kidneys each minutethe cells and proteins will not be filtered normally due to molecular weight
