Fact 1: Urine leaves the body through a sphincter in the process of urination.

Fact 2: During urination, the urethra carries urine from the bottom of the bladder out of the body.

Given the two facts above, answer the question "What carries urine from the bottom of the bladder to a sphincter? " with the following options: 
- alveoli
 - sweating
 - Anus
 - expelled
 - liquid
 - Intestines
 - Urethra
 - Bladder


 

       Urethra  