All of the following occur within the placenta except
A)the bloods of the mother and the embryo come in close contact without mixing.
B)oxygen can diffuse from the mother to the embryo.
C)carbon dioxide can diffuse from the embryo to the mother.
D)the placenta provides nourishment,hormones,and detoxifying functions to the embryo.
E)the antibodies made in the embryo protect the mother from infections.

Question

Quizplus · Accepted Answer

Antibodies made by the embryo do not protect the mother from infections. The other options are all functions of the placenta.

All of the Following Occur Within the Placenta Except