Final answer:
Urine is transported from the kidneys to the bladder through the ureters and then excreted out of the body through the urethra during the process of urination.
Step-by-step explanation:
Once produced, urine travels through the ureters until it reaches the bladder, from which it is released into the external environment through the urethra. The ureters are two muscular tubes that convey urine from the kidneys to the bladder by means of peristaltic movements. The urinary bladder is a stretchy, muscular organ that collects and stores urine. When the time for urination comes, the urine is released from the bladder into the urethra, a muscular tube that carries urine out of the body.
The flow of urine from the bladder through the urethra is controlled by a sphincter. During the process of urination, this sphincter relaxes to allow urine to flow from the bladder, through the urethra, and out of the body. Notably, the urethra shows some anatomic differences between males and females, but its function in urine transport is the same.