Assertion: cardiac muscle's muscle cell | /r/HasProperty | joined to each other
Facets:
value: by gap junctions
type: CAUSE
value: by contract
type: MANNER
value: as a single unit
type: MANNER
value: by junctions
type: MANNER
Source sentences:
text: Cardiac muscle cells are joined to each other by junctions called intercalated disks.
text: The single-unit smooth muscle cells are joined to each other by gap junctions and contract as a single unit.