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coltenyeske@aub coltenyeske@aub
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6 years ago
The physical barrier of the skin and the mucus produced by the epithelial cells lining body cavities ____.
 
  a. activate the complement system
  b. release histamines
  c. facilitate the production of antibodies
  d. comprise the innate immune system
 
   e. protect the body from infection by pathogens
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cboehm123cboehm123
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6 years ago
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6 years ago
Thanks for your help!!
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Good timing, thanks!
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You make an excellent tutor!
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