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The Urinary System

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Ethan Solomon

on 30 October 2013

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Transcript of The Urinary System

The Kidneys
The main purpose of your kidneys is to filter waste products and fluid wastes from your blood. Each kidney has more than millions of nephrons. Nephrons are the littlest functional filtering units in the kidneys. Without these nephrons our body would be filled with tons of wastes.

Your kidneys process about 423 gallons of blood a day.
They also filter about 48 gallons of water from the blood each day.

An adult kidney usually weighs about 5 ounces. It can be up to five inches long and one inch thick.
The Bladder
The bladder is an organ that collects urine from the kidneys. The purpose of the bladder is to hold and store urine. The sphincter is a muscle that prevents urine from leaving the bladder.
The Ureters
The ureters are two tubes made out of smooth muscle fiber that carry urine from the kidneys to the bladder. Each ureter can be up to twelve inches long. They can stretch from an increase in fluid.
The Urethra
The urethra is a tube that carries urine from the bladder out of the body when you pee. It can measure 1.5 inches in women and 6 to 8 inches in men.

Your urine is usually pale to dark yellow, but it can change color when certain foods are eaten.

Interesting Facts
The average bladder can hold 300ml to 600ml of urine.
A healthy urinary system can hold urine for up to 5 hours
The longer you hold your urine it becomes a breeding spot for bacteria. This can lead to infections that can spread to the kidneys and lead to greater damage in the body.
Major organs of the urinary system
The Urinary System (Also known as the renal system.)
By Ethan Solomon
Is it a sub system?
It is a sub system of the excretory system.
The excretory system's purpose is to get rid of solid wastes.
Problems in the urinary system.
When a brain injury occurs, the nervous system loses control of the bladder so you don't know when to urinate.
Blood in the urine is also a problem. This usually occurs after intense exercise like biking or running.
Frequent urge to urinate without being able to pass much urine.
Smoky urine can mean you have an infection.
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