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nikayla10 nikayla10
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7 years ago
The ________ houses blood vessels that join the embryo to the placenta.
A) amnion
B) amniotic fluid
C) umbilical cord
D) endoderm
Textbook 
Children: A Chronological Approach, Canadian Edition

Children: A Chronological Approach, Canadian Edition


Edition: 5th
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wrote...
7 years ago
C) umbilical cord
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