Assertion: echinoderm's system | /r/HasProperty | derived
Facets:
value: from both the hydrocoel
type: OTHER
value: from axocoel
type: OTHER
value: from the coelom
type: OTHER
Source sentences:
text: Haemal and perihaemal systems are derived from the coelom and form an open and reduced circulatory system.
text: This system is derived from both the hydrocoel and axocoel.