Assertion: iron | /r/CapableOf | play key role
Facets:
value: in oxygen transport
type: OTHER
value: in healthy blood
type: LOCATION
value: in providing strength
type: MANNER
Source sentences:
text: Iron plays a key role in the making of red blood cells , which carry oxygen.
text: Iron plays a key role in providing strength to the immune system.
text: Iron is one of the main components of the proteins in your body and it plays a key role in oxygen transport, too.
text: Iron plays a key role in oxygen transport and healthy blood.