How does urine move from the kidneys to the urinary bladder through the ureters?
A) by active transport
B) passively, by the force of gravity
C) by peristaltic contraction of the smooth muscle of the ureters
D) when the bladder empties and creates a negative pressure that pulls the urine to the bladder

Question

Quizplus · Accepted Answer

Urine is moved from the kidneys to the urinary bladder through the ureters by peristaltic contraction of the smooth muscle of the ureters. This is a coordinated muscular movement that pushes the urine along the length of the ureter and towards the bladder.

How Does Urine Move from the Kidneys to the Urinary