Gases are exchanged in a mammalian embryo in the
A) amnion.
B) hypoblast.
C) chorion.
D) trophoblast.
E) yolk sac.

Name: Gases are exchanged in a mammalian embryo in the A) amnion. B) hypoblast. C) chorion. D) trophoblast. E) yolk sac.
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Question

Quizplus · Accepted Answer

The chorion is the outer membrane that surrounds the embryo and contributes to the formation of the placenta. It is also in direct contact with the maternal blood supply, allowing for gas exchange between the embryonic and maternal circulatory systems.

Gases Are Exchanged in a Mammalian Embryo in the