Kidney Diagram Back View. The kidneys are bean shaped and are located high in the abdominal cavity one on each side of the spine and lie in a retroperitoneal position at a slightly oblique angle. The human kidneys house millions of tiny filtration units called nephrons which enable our body to retain the vital nutrients and excrete the unwanted or excess molecules as well as metabolic wastes from the body.
They also help filter blood before sending it back to the heart. Each kidney is about 4 or 5 inches long roughly the size of a large fist. They help the body pass waste as urine.
Kidney pain is discomfort that comes from the area where your kidneys are.
Your kidneys are bean shaped organs that are located in the middle of your back against the back muscles with one on either side of your spine. Check out this video for the 3d view. It s often described as a dull ache you feel in your sides back or belly. Pain in your upper abdomen or back and sides is also called flank pain or kidney pain.