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Home > Science > Anatomy > Urinary System

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Urinary System Video
If you’ve ever wondered where pee comes from, this movie about the Urinary System

Kidneys and Urinary Tract
Roll over the diagram to find out more about the parts.

QUIZ: Urinary System
How much do you know about the urinary system, which makes pee? Find out by taking this quiz!

Urethral sphincter
In mammals the flow of urine from the urinary bladder is controlled by a group of muscles collectively called the urethral sphincter

Urinary bladder
In the anatomy of mammals, the urinary bladder is the organ that collects urine

Your Kidneys
Kidneys normally come in pairs. If you've ever seen a kidney bean

The kidneys are bean-shaped excretory organs in vertebrates.

Urinary system
Urinary system

In human anatomy, the ureters are the ducts that carry urine from the kidneys to the urinary bladder