The placenta ensures the supply of nutrients and the disposal of excretion products. The gas exchange of the [[embryo|embryo]] also takes place via the placenta.
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The placenta ensures the supply of nutrients and the disposal of excretion products. The gas exchange of the [[Embryo/en|embryo]] also takes place via the placenta.
Aktuelle Version vom 22. Mai 2019, 00:26 Uhr
The placenta ensures the supply of nutrients and the disposal of excretion products. The gas exchange of the embryo also takes place via the placenta.