Multiple Choice
In humans, the allantois
A) stores embryonic nitrogenous wastes.
B) eliminates nitrogenous wastes from the embryo.
C) contributes to the formation of the blood vessels in the umbilical cord.
D) secretes amniotic fluid.
E) serves as a temporary center for formation of blood cells.
Correct Answer:

Verified
Correct Answer:
Verified
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