Relative to skeletal muscle, smooth muscle
A) only uses less energy to generate a given amount of force.
B) only can sustain contractile force without fatigue.
C) only uses calcium from the sarcoplasmic reticulum and extracellular space.
D) uses less energy to generate a given amount of force and can sustain contractile force without fatigue.
E) uses less energy to generate a given amount of force, can sustain contractile force without fatigue and uses calcium from the sarcoplasmic reticulum and extracellular space.
Answer: : E