Question

urine moves through the urethra by​

Answer 1

Answer:

the wave movement called peristalsis.

I think

Explanation:

Mark me as brainliest

Answer 2

Answer:

When the bladder is full, nerve endings in its wall send messages to the brain. When a person needs to pee, the bladder walls tighten and a ring-like muscle that guards the exit from the bladder to the urethra, called the sphincter (pronounced: SFINK-tur), relaxes. This lets pee go into the urethra and out of the body.