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25 July, 19:21

How does a placenta form?

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  1. 25 July, 19:44
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    Answer: Placenta forms by fertilized blastocyst embeds in the uterine wall, and development of the fetus and placenta begin ... These remodeled vessels become a source of maternal blood for the placenta. The placenta develops to bring oxygen and nutrients to the fetus and to move harmful waste and nutrients away.

    Explanation: I looked it up on google.
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