The mammalian organ through which nourishment and oxygen diffuse into a developing embryo is called

The mammalian organ through which nourishment and oxygen diffuse into a developing embryo is called
  • A.
    Amnion
  • B.
    Chorion
  • C.
    Umbilical cord
  • D.
    Oviduct
  • E.
    Placenta
Correct Answer: Option E
Explanation
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