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Auditore Auditore
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6 years ago
In the ________, the blood vessels from the umbilical cord run close to the mother's blood vessels, but aren't actually connected to them.
A) amnion
B) placenta
C) zygote
D) germ disc
Textbook 
Children: A Chronological Approach, Canadian Edition

Children: A Chronological Approach, Canadian Edition


Edition: 5th
Authors:
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KatiaKatia
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6 years ago
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Auditore Author
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6 years ago
This site is awesome
mcraver1
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Yesterday
Helped a lot
jamesbove
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2 hours ago
Good timing, thanks!
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