Model of Human Urinary System

Product description

Human urinary system

The urinary system consists of the kidney, ureter, bladder and urethra. Its main function is excretion. Excretion refers to the physiological processes that are produced in the body's metabolic process and are not transported to the body by substances that are utilized or harmful to the body.
Part of the substance being discharged is a metabolite of nutrients; the other part is a product formed when aging cells are destroyed. In addition, excreta includes some extra substances that are ingested with food, such as excess water and inorganic salts.