Urinary System Labeling ActivityOnline version Label the main components of the urinary system by Tiajah Valerio 1 2 3 4 1 2 3 4 Explanation 1 The urinary system contains two ureters that will carry urine from the kidneys to the urinary bladder. 2 Contains nephrons for filtering of blood to form urine. 3 The urinary bladder will store urine. 4 The urethra will carry urine from the urinary bladder to the outside of the body. The male urethra is generally longer than the female urethra.