Disease, polycystic kidney: See Polycystic kidney disease. QUESTION The only purpose of the kidneys is to filter blood. See Answer From Healthy Resources What Does Potassium Do in Your Body?Living Your Best With Kidney Disease (ADPKD) Featured Centers Good and Bad Foods for PsoriasisVideo: Getting Personal on Life With MS Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19
