Assertion: cardiac muscle's muscle cell | /r/HasProperty | stimulated to contract
Facets:
value: by an action potential
type: CAUSE
value: calcium channels open
type: OTHER
Source sentences:
text: When the muscle cell is stimulated to contract by an action potential, calcium channels open in the sarcoplasmic membrane and release calcium into the sarcoplasm.
text: Smooth muscle cells can be stimulated to contract or relax in many different ways.
text: When the muscle cell is stimulated to contract by an action potential, calcium channels open in the sarcoplasmic membrane and release calcium into the sarcoplasm.