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Home Q & A Board Biology-Related Homework Help Medicine Pharmacology (Moderator: DelightfulMind)
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Lalalili67 Lalalili67
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6 years ago
The portion of the pharynx that receives both food and air is the
 A) internal pharynx.
  B) nasopharynx.
  C) oropharynx.
  D) laryngopharynx.


Which immunoglobulin is the only one that crosses the placental barrier?
 A) IgA
  B) IgM
  C) IgG
  D) IgD
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biofreaksbiofreaks
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