The Extraembryonic Membrane That Forms Blood is The

Question

The extraembryonic membrane that forms blood is the
A) yolk sac.
B) amnion.
C) allantois.
D) chorion.
E) decidua.

Accepted Answer

The yolk sac is responsible for the early formation of blood cells and vessels in the embryo, playing a crucial role in the development of the circulatory system.