Multiple choice Which of the following pairs is mismatched? Urethra: Narrow tubes that take urine from the kidneys to the urinary bladder Nephron: Structural and functional unit of the kidney Bowman’s Capsule: A cup-like sac that surrounds the glomerulus at the beginning of the nephron Loop of Henle: A U-shaped tubular structure that extends into the medulla of a nephron Renal cortex: Outer portion of the kidney between the renal capsule and the renal medulla Reveal answer Fill a bubble to check yourself A Correct answer Explanation Urethra: Duct from the urinary bladder to the exterior of the body that receives urine from the bladder and carries it to the outside of the body Ureter: The tubes made of smooth muscle fibers that carry urine from the kidneys to the bladder.