mgpc1845 mgpc1845

09-08-2017
Biology

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The placenta is an organ that allows for the exchange of oxygen, nutrients, and wastes between the mother and the developing embryo. in other words, the placenta is responsible for

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mustafaahi6otazbl mustafaahi6otazbl

09-08-2017

I'm pretty sure the answer is either diffusion or "respiration"

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