A. Large Intestine 1. Removes excess water from food which cannot be digested. Wastes leave the body through the anus. B. Lungs 1. Approximately 10cm in length 3.
Blood passes through the kidneys during renal circulation and is filtered.
Structure a. Cortex - part of the kidneys which filters wastes out of theblood. Medulla - part of the kidneys where wastes drain off and form urine. Diseases and Disorders of the Urinary System a. If kidneys do not function properly waste products build up and act as poison to body cells. Fluid can build up in ankles, around the heart, etc.