Assertion: calcium | /r/HasAspect | role
Facets:
value: in mediating vascular contraction
type: OTHER
value: in blood clotting
type: OTHER
value: in regulating the heartbeat
type: OTHER
Source sentences:
text: It has a role in regulating the heartbeat and in blood clotting.
text: Calcium is present in blood, extracellular fluid, muscle, and other tissues where it has roles in mediating vascular contraction and vasodilation, muscle contraction, nerve transmission, and glandular secretion.