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book Biology of Humans 4th Edition by Judith Goodenough,Betty McGuire cover

Biology of Humans 4th Edition by Judith Goodenough,Betty McGuire

Edition 4ISBN:
book Biology of Humans 4th Edition by Judith Goodenough,Betty McGuire cover

Biology of Humans 4th Edition by Judith Goodenough,Betty McGuire

Edition 4ISBN:
Exercise 13
The The   urethral sphincter is made of   muscle and is invol- untary. The     muscle and allows voluntary control over urination. urethral sphincter is made of The   urethral sphincter is made of   muscle and is invol- untary. The     muscle and allows voluntary control over urination. muscle and is invol- untary. The The   urethral sphincter is made of   muscle and is invol- untary. The     muscle and allows voluntary control over urination. The   urethral sphincter is made of   muscle and is invol- untary. The     muscle and allows voluntary control over urination. muscle and allows voluntary control over urination.
Explanation
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The urge to urinate can be both voluntar...

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Biology of Humans 4th Edition by Judith Goodenough,Betty McGuire
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