Assertion: placenta's role | /r/HasProperty | important
Facets:
Source sentences:
text: The placenta often plays an important role in various cultures, with many societies conducting rituals regarding its disposal.
text: Placenta helps in the exchange of gases such as carbon dioxide and oxygen between the mother and the foetus thus playing an important role in foetal respiration.
text: Trophoblasts are specialized cells of the placenta that play an important role in embryo implantation and interaction with the decidualized maternal uterus.