Name the organs of the urinary system. What is the general function of the urinary system? Describe the macroscopic anatomy of the kidneys. What are the two major functions of the urinary bladder? Name the segments of the nephron in order in which fluids flows through them. What characteristics of the glomerular capsular membrane permit filtration? What are the three basic processes a nephron uses to form urine? What is the GFR? Why is a high GFR important to kidney function?