Keep Your Kidneys in Top Shape The kidneys serve as the body's natural filtration system. These two vital organs remove waste and harmful substances from the bloodstream, helping maintain overall health and balance throughout the body. Each day, your kidneys filter around 150 quarts of blood. This extensive work ensures that every system in the body functions properly. “When the kidneys don’t function well, it can impact every organ,” says Dr. Jonathan Himmelfarb, a kidney expert at Mount