What is the primary function of the ureter?

The primary function of the ureter is to connect the kidneys to the bladder. Ureters are muscular tubes that transport urine from the renal pelvis of each kidney to the bladder, where urine is stored before being expelled from the body. This function is crucial for the urinary system, enabling the movement of urine as it is produced by the kidneys through the process of peristalsis—rhythmic contractions that propel the urine along the length of the ureter.

While filtering blood is a vital function performed by the kidneys, it is not the responsibility of the ureters. Storage of urine occurs in the bladder, not in the ureters themselves. Regulation of electrolytes is a function primarily associated with the kidneys and other organs, rather than the ureters, which are focused on transportation. Understanding the specific role of each part of the urinary system enhances knowledge of how the organs work together to maintain homeostasis in the body.