Which structure transports urine to the bladder by peristaltic action?

The muscular layer of the ureter consists of longitudinal and circular smooth muscles that create the peristaltic contractions to move the urine into the bladder without the aid of gravity.

The ureter

Explanation:

The ureter is a long thin tubular structure 10-12 inches long which carries urine produced in the kidney to the bladder. The urine is transported by a process called peristalsis. The ureter actively propels urine from the kidney down into the bladder.

it would lead to upper respiratory infections and pneumonia.

wegner's theory did not explain how the continents could move

explanation: