Assertion: echinoderm's cell | /r/CapableOf | create internal current
Facets:
Source sentences:
text: Circulation occurs in an open system of channels and sinuses and in the body cavity, which is lined with flagellated cells that create an internal current.
text: Circulation occurs in an open system of channels and sinuses and in the body cavity, which is lined with flagellated cells that create an internal current.