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GCE Biology 1990 Question 34

Question 34

Reproduction in Animals

The structure of the embryo which develops and makes contact with the uterine wall is known as the

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

Answer: B (placenta)

Explanation

The placenta grows from the embryo's tissues and is attached closely to the uterine wall, where food and oxygen are exchanged.