Assertion: calcium | /r/HasProperty | needed by the body
Facets:
value: for muscles
type: PURPOSE
value: for nervous system
type: PURPOSE
value: for heart
type: PURPOSE
value: for healthy bones
type: PURPOSE
Source sentences:
text: Calcium is needed by the body for healthy bones, muscles, nervous system, and heart.
text: It is also a mineral that is needed in the body.