Section 5
Urine Transport, Storage, and Elimination
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Version 29
By Boundless
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
6 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/33846/square/ajqsytx4q52ajqhl0md3.jpg)
Overview of Urine Transport, Storage, and Elimination
The urinary organs include the kidneys, ureters, bladder, and urethra.
![Thumbnail](../../../../../../figures.boundless-cdn.com/16295/raw/urinary-system.jpg)
Ureters
The ureters are two tubes that drain urine from each of the kidneys into the bladder.
![Thumbnail](../../../../../../figures.boundless-cdn.com/5364/square/illu-bladder.jpeg)
Urinary Bladder
The urinary bladder is a hollow, muscular, and distendible or elastic organ that sits on the pelvic floor.
![Thumbnail](../../../../../../figures.boundless-cdn.com/62/square/250px-gray1139.jpg)
Urethra
The urethra is a muscular tube that connects the bladder with the outside of the body and removes urine from the body.
![Thumbnail](../../../../../../figures.boundless-cdn.com/3878/square/240px-gray1229.jpg)
Micturition and the Micturition Reflex
Micturition is the ejection of urine from the urinary bladder through the urethra to the outside of the body.
![Thumbnail](../../../../../../figures.boundless-cdn.com/16466/square/lungs-28animated-29.gif)
Waste Management in Other Body Systems
In addition to the kidneys, the liver, skin, and lungs also have important roles in the excretion of waste from the body.