INTRODUCTION TO RENAL DISEASES Humans possess two bean-shaped, dark-red colored kidneys. In adults, the kidneys measure 12cm each and weigh 130 to 170g each. They are located on the back, on both sides of the spinal column and are protected by the lower ribs. Each day the kidneys filter approximately 1,200 to 2,000 liters of… Continuar lendo INTRODUCTION TO RENAL DISEASES