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ncff4120 ncff4120
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6 years ago
Veins carry unoxygenated blood, EXCEPT for the four pulmonary veins.
 
  True
 
  False
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Jessicamontes18Jessicamontes18
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6 years ago
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ncff4120 Author
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6 years ago
Smart ... Thanks!
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Brilliant
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2 hours ago
Thank you, thank you, thank you!
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