Assertion: potassium | /r/CapableOf | play essential role
Facets:
value: in heart muscle contractions
type: TEMPORAL
value: in controlling nerve communication
type: OTHER
Source sentences:
text: Potassium, a mineral found in foods, plays an essential role in controlling nerve communication, muscle function and blood pressure.
text: It also plays an essential role in the response of nerves to stimulation and in the contraction of muscles.
text: Since potassium plays an essential role in heart muscle contractions, too much can be a strain on your heart.