Kidneys and their function
There are two kidneys in human body located on both sides of spine under rib cage. Right kidney is placed lower because of liver. Kidneys have various functions and crucial one is excretion of waste material in urine. Kidney anatomy Kidneys are covered in capsule (1) and on top of it is fat. On the cross section is visible cortex (2) and medulla (3). Medulla is made of pyramids (4) which continue with calyces (5). Kidney...