The figure shows a human embryo 31 days after conception.Which of the following structures is part of the placenta? 
A) embryo
B) chorion
C) amnion
D) yolk sac
Correct Answer:
Verified
Q29: Which of the following substances stimulates contractions
Q36: Gastrulation _.
A) changes a hollow embryo into
Q37: The yolk sac of humans _.
A) stores
Q38: Mesoderm gives rise to the _.
A) heart
B)
Q40: Which of the following results from cleavage?
A)
Q41: The figure shows oogenesis.What is the function
Q43: Examine the embryo in the following figure.The
Q43: Which of the following birth control methods
Q45: Please read the following paragraph and then
Q49: Scenario
Birth control methods act at many points
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