In order to understand chronic kidney disease (CKD), we first need to think about how the kidneys maintain homeostasis. Some vital functions of the kidneys are listed below: 1. Excretion of excess/harmful substances (e.g. drugs!) 2. Regulation of fluids, electrolytes, and blood pressure 3. Secretion of: Renin (part of the renin angiotensin aldosterone system- RAAS) Erythropoietin (for RBC production in […]