dannaandloganlove1 dannaandloganlove1

08-04-2017
Health

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the developing embryo receives nutrients and oxygen from the mothers___.

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Аноним Аноним

08-04-2017

blood travels through the umbilical cord and to the fetus where it drops nutrients.

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kayleigh7 kayleigh7

11-04-2017

Placenta which comes from the blood stream with helps the baby eat and breath

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