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SnowQueen SnowQueen
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6 years ago
The primary function of _____ is to defend tissues against infections and foreign substances.
 
  A) erythrocytes
  B) leukocytes
  C) plasmas
  D) platelets
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gomezagomeza
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6 years ago
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SnowQueen Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Mcb
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This calls for a celebration Person Raising Both Hands in Celebration
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