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JAMB Biology 1984 Question 10

Question 10

Reproduction in Animals

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

  1. A.amnion
  2. B.chorion
  3. C.umbilical cord
  4. D.oviduct
  5. E.placenta
Show the answer and explanation

Answer: E (placenta)

Explanation

In the placenta the mother's blood and the embryo's blood come very close, so food and oxygen diffuse across into the embryo's blood.