For the embryo, the chorion:
A)contains fluid and absorbs shock
B)forms the first cells of the immune system
C)forms the fetal portion of the placenta
D)all of these

Question

Quizplus · Accepted Answer

The chorion forms the fetal portion of the placenta, which is responsible for nutrient and waste exchange between the developing embryo/fetus and the mother. The other choices are not correct - the amniotic fluid absorbs shock around the developing embryo, and the cells of the immune system develop from stem cells in the bone marrow.

For the Embryo, the Chorion