Assertion: pacemaker's part | /r/CapableOf | come through exchange
Facets:
value: from the extracellular space
type: TRANSITIVE-OBJECT
value: in most fish hearts
type: LOCATION
Source sentences:
text: In most fish hearts, the major part of Ca2+ comes from the extracellular space through L-type Ca2+ channels and Na+–Ca2+ exchange