Normal function of the kidney

Nearly 20% of the world’s population still defecates in the open, and action to improve sanitation and water supply could prevent more than 2 million child deaths a year.

It's very simple: no kidneys, no life. They are your body's tireless waste removers. They deserve a closer look on World Kidney Day.

This section discusses the location of the kidneys, the renal artery, filters and the urinary system in general.