Assertion: cardiac muscle's period | /r/HasProperty | shorter 1 to 2 msec
Facets:
value: than the duration of contraction
type: OTHER
value: much
type: DEGREE
Source sentences:
text: The absolute refractory period of skeletal muscle is much shorter (1 to 2 msec) than the duration of contraction (20 to 100 msec), and a second action potential can therefore be elicited while the contraction resulting from the first action potential is still under way (see Figure 9.10).