What does it do?

Its job is to filter waste and fluids from the blood.

How does it work?

Blood and waste travel into the kidney. The filtered blood travels back into the body. The waste is sent to the bladder. The waste and fluids leave as urine.

  1. Your Kidneys & How They Work. National Institute of Diabetes and Digestive and Kidney Diseases. Published June 2018. Accessed December 1, 2020.