18-02-2017
Biology

contestada

the__ transfers nutrients and oxygen from the mother's blood into the blood of the fetus through the process of_.

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Reennaa Reennaa

18-02-2017

umbilicus or umbilical cord and im not sure about the name of the process!

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Аноним Аноним

18-02-2017

Umcilicle cord is the 1st one

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