Question: kidney disease affects what body systems?
Answer: The Blood System. Damaged kidneys slow the production of the hormone erythropoietin, resulting in anemia and iron deficiency. ...  The Cardio-Vascular System. ...  The Integumentary System (Skin) ...  The Skeletal System. ...  Joints. ...  The Circadian System. ...  The Nervous System. ...  The Digestive System.