Assertion: magnesium | /r/HasProperty | important for many systems in the body
Facets:
value: in the body
type: LOCATION
Source sentences:
text: It is important for many systems in the body, especially the muscles and nerves.
text: Magnesium is important for many systems in the body especially the muscles, nerves, heart, and bones.
text: It is important for many systems in the body, especially the muscles and nerves.