Assertion: cardiac muscle's period | /r/HasProperty | critical
Facets:
Source sentences:
text: This extended period is critical, since the heart muscle must contract to pump blood effectively and the contraction must follow the electrical events.
text: This extended period is critical, since the heart muscle must contract to pump blood effectively and the contraction must follow the electrical events.
text: This extended period is critical, since the heart muscle must contract to pump blood effectively and the contraction must follow the electrical events.