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Excretory System

The Urinary Bladder and Urethra

The Urinary Bladder and Urethra
Reading Level
     edHelper's suggested reading level:   grades 5 to 7
     Flesch-Kincaid grade level:   5.67

Vocabulary
     challenging words:    penis, sphincter, vagina, abdomen, internal, urethra, fluid, therefore, excretory, suppress, urinate, liquid, lower, pear-shaped, normally, bladder

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The Urinary Bladder and Urethra
By Jennifer Kenny 		  
1     Do you know what job your bladder plays in your body's functioning? It is a major player in the excretory system. After your kidneys have completed cleaning and filtering, the liquid waste moves from your kidneys through the ureters to the bladder.
 
2     The bladder is a stretchy, muscular bag. When it is empty, it is the size of the deflated balloon. It is pear-shaped. When it stores urine, it expands like a balloon. The bladder has thin, but strong walls. It is located in the middle of the lower abdomen.
 
3     Your bladder feels comfortable storing one cup of urine. It is capable of holding over a pint, but you'll feel it!

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