The human placenta is formed by the interaction of uterine tissue and what extraembryonic tissue?
A)amnion
B)embrion
C)chorion
D)yolk sac
E)allantois

Question

Quizplus · Accepted Answer

The human placenta is formed by the interaction of uterine tissue and chorion, which is one of the extraembryonic membranes. The amnion, yolk sac, and allantois are also extraembryonic membranes that surround the developing embryo, but they do not contribute to placenta formation in humans. The embryo itself does not directly contribute to the formation of the placenta.

The Human Placenta Is Formed by the Interaction of Uterine