Which of the following statements is NOT true?
a. Rigor mortis occurs as a result of a rise in intracellular calcium concentrations.
b. In skeletal muscle a single action potential lasts about 5-10 msec.
c. In skeletal muscle the relaxation time lasts slightly longer than the contractile time.
d. In skeletal muscle the contractile response ceases when the lateral sacs take up Ca2+.
e. A spring can move much faster than a muscle can contract.
B
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