Question

Where is urine stored until it drains from the body?

Answer 1

In humans and many other animals, urine is a liquid by-product of metabolism. Urine travels from the kidneys to the urinary bladder via the ureters. Urine is evacuated from the body through the urethra after urination.

Complete answer:
The urinary system, also known as the renal system, is made up of organs, tubes, muscles, and nerves that work together to make, store, and transport urine. The renal system filters blood plasma and controls blood volume by excreting excess water through urine.
The bladder is a hollow muscular organ with a balloon-like structure. It is maintained in place by ligaments linked to other organs and the pelvic bones of the pelvis. The bladder retains urine until there is enough for it to be removed from the body. When it's full, it expands into a circular form, and when it's empty, it shrinks.
The bladder can comfortably contain up to 16 ounces (2 cups) of urine for 2 to 5 hours if the urinary system is healthy. Sphincters are circular muscles that help block urine from spilling. The sphincter muscles tighten around the opening of the bladder into the urethra, the tube that allows urine to exit the body, like a rubber band.
As the bladder fills with urine and grows larger, nerves in the bladder are activated, signalling the desire to urinate. When you urinate, the brain sends a signal to the bladder muscles to tighten, forcing urine out.

Note:
Urine travels through the urinary system, which includes the kidneys, ureters, bladder, and urethra. Urine is essentially water, ions, and secreted chemicals that flow into the ureters from the collecting ducts of the kidney's numerous nephrons. The ureters are two tubes that connect the kidneys to the bladder and discharge urine.