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Biology 20 Online
OpenStudy (anonymous):

moves blood from the fetus to the placenta _______ receives maternal blood in placenta ______ transports oxygenated blood to the fetus _______ moves blood from the placenta to the fetus______ transports maternal blood to the fetus ______ choices: maternal artery, umbilical vein, umbilical artery, decidua basilia , no structure Help me please I will give you a medal!!

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