This will become the primary structure for exchange of material between the mother and the fetus.
A) chorionic villi of the placenta
B) amnion
C) amnionic fluid
D) embryonic disc
E) endoderm

Question

Quizplus · Accepted Answer

The chorionic villi of the placenta are the primary structures responsible for the exchange of nutrients, gases, and waste between the mother and the fetus.

This Will Become the Primary Structure for Exchange of Material