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Home Q & A Board Biology-Related Homework Help Cell Biology
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SnowQueen SnowQueen
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6 years ago
Which is a cause for the occurrence of varicose veins?
 
  1. Valvular incompetence in the legs
  2. Sluggish circulation
  3. Poor tissue oxygenation
  4. Impaired removal of fluid and waste products
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derrickpate22derrickpate22
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6 years ago
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SnowQueen Author
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6 years ago
You make an excellent tutor!
annielin111
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Yesterday
Thanks
novae
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2 hours ago
Helped a lot
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