Gases are Exchanged in a Mammalian Embryo in The

Question

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

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.