Which process must occur for a muscle to be able to relax?
A.
The concentration of calcium i...
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Which process must occur for a muscle to be able to relax?
A.
The concentration of calcium in the myofibril must decrease.
B.
A nerve must initiate an action potential in the muscle fiber.
C.
Myosin and actin must attach to each other.
D.
The amount of ATP in the neuromuscular junction must increase.
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