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Title: The ________ is an organ that allows oxygen, nutrients, and other substances to be transferred ... Post by: kak2z on Sep 6, 2017 The ________ is an organ that allows oxygen, nutrients, and other substances to be transferred between the mother's and baby's blood.
A) amnion B) placenta C) yolk sac D) umbilical cord Title: Re: The ________ is an organ that allows oxygen, nutrients, and other substances to be transferred ... Post by: Valconeye on Sep 6, 2017 Content hidden
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