Assertion: anemia's blood cell | /r/CapableOf | live for about 120 days
Facets:
value: because of their unique structure
type: CAUSE
value: usually
type: TEMPORAL
Source sentences:
text: Red blood cells usually live for about 120 days before they need to be replaced.
text: A normal red blood cell lives for approximately 120 days.
text: Because of their unique structure, red blood cells only live for about 120 days.