The yolk sac of the chick provides nutrients to the developing embryo.What structure serves the same role in humans?
A) chorion
B) allantois
C) yolk sac
D) amnion
E) zona pellucida

Question

Quizplus · Accepted Answer

The chorion develops into the fetal half of the placenta and provides the embryo with nourishment and oxygen. The allantois develops into the umbilical arteries and veins. The yolk sac contains food for the developing embryo. The amnion contains protective fluid that cushions the embryo. The zona pellucida is the surrounding membrane of the egg prior to fertilization.

The Yolk Sac of the Chick Provides Nutrients to the Developing