Assertion: vitamin b12 | /r/HasAspect | important role
Facets:
value: within the human body
type: LOCATION
value: to make the protective fatty layer
type: PURPOSE
value: to make sheath
type: PURPOSE
Source sentences:
text: Vitamin B12 (cyanocobalamin) has another important role - to make the protective fatty layer, or sheath, that lines nerve cells – like insulation on electric wires, called the myelin sheath.
text: Vitamin B12 has numerous important functions within the human body, and it is responsible for producing and regulating DNA.