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4 St. 22 Min, 9 Okt 2002 Jahr - Placenta stage

Beschreibung:

The placenta functions as a organ with two components: the fetal placenta which develops from the same blastocyst that forms the fetus, and the maternal placenta.these both give the organisim the nutrints it needs

Zugefügt zum Band der Zeit:

Datum:

4 St. 22 Min, 9 Okt 2002 Jahr
Jetzt
~ 23 years ago

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