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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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9 years ago
The umbilical cord
a.   has blood vessels that connect the embryo to the placenta.
b.   has blood vessels that are directly connected to the mother’s blood vessels.
c.   develops during the period of the fetus.
d.   is filled with amniotic fluid.
Chapter
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Children and Their Development

Children and Their Development


Edition: 3rd
Authors:
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9 years ago
My course has gotten a whole lot easier thanks to this.
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9 years ago
You're welcome.

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