how is placenta formed
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The cytotrophoblasts breach the uterine wall and begin reshaping blood vessels there. 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.
Answered by
12
Answer:
The cytotrophoblasts breach the uterine wall and begin reshaping blood vessels there. 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
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