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Biology, 17.04.2020 18:11 mackwackuwu
The placenta is the site of exchange for: a) Nutrients and mucus between the mother and the fetus b) Milk and waste between the mother and the fetus c) Nutrients and waste between the mother and the father d) Nutrients and waste between the mother and the fetus
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The placenta is the site of exchange for: a) Nutrients and mucus between the mother and the fetus b)...
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