Urinary system

The urinary system is composed of the:

  • Kidneys
  • Ureters
  • Urinary bladder
  • Urethra

This organ system provides such functions as:

  • Filtering blood and creating urine
  • Disposing the body from waste products, which emerge as a result of cell metabolism
  • Participating in the regulation of blood volume and blood pressure
  • Controlling fluid and electrolyte balance
  • Regulating blood pH
  • Producing hormones and regulating erythrocyte production

The kidneys are the main organs that filter excess fluid, electrolytes, and metabolites, while other urinary system organs accumulate or excrete urine from the body.

The ureters transport urine from the kidneys to the bladder, where it is stored and then discharged from the body via the urethra in a process called urination.