Biology question 3 ??

Biology
Tutor: None Selected Time limit: 1 Day

In humans, the allantois:

a.serves as a temporary center for formation of blood cells.

b.stores embryonic nitrogenous wastes.

c.eliminates nitrogenous wastes from the embryo.

d.contributes to the formation of the blood vessels in the umbilical cord

e.secretes amniotic fluid.

May 9th, 2015

d.contributes to the formation of the blood vessels in the umbilical cord

May 9th, 2015

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May 9th, 2015
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May 9th, 2015
May 28th, 2017
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