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walterjr walterjr
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6 years ago
Veins and arteries have valves throughout the body.
 
  Indicate whether this statement is true or false.
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131231131231
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6 years ago
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walterjr Author
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6 years ago
You make an excellent tutor!
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
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2 hours ago
Just got PERFECT on my quiz
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