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Matyler98 Matyler98
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Posts: 742
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6 years ago
The placenta:
 
  A) allows fetal and maternal bloodstreams to mix.
  B) contains amniotic fluid.
  C) acts as a medium for the passage of nutrients from the mother to the embryo.
  D) is the fine, downy hair that covers the fetus in the womb.
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6 years ago
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