This Cord Attaches the Embryo to the Placenta

Question

This cord attaches the embryo to the placenta.
A) umbilical cord
B) yolk sac
C) allantois
D) abdominoplacental cord

Accepted Answer

The umbilical cord is the structure that connects the developing embryo (or fetus) to the placenta, allowing for the exchange of nutrients, waste, and oxygen between the mother and the fetus.