The nervous system avoids muscle fatigue during submaximal contraction by
A) always recruiting slow-twitch motor units.
B) asynchronous recruitment.
C) synchronous recruitment.
D) always recruiting fast-twitch motor units.
Correct Answer:
Verified
Q19: The hydrolysis of ATP causes myosin to
Q20: As ATP binds to the myosin head
Q21: Which fibers fatigue sooner?
A) fast-twitch fibers
B) slow-twitch
Q22: The contraction cycle is triggered by the
Q23: The action potential traveling along the t-tubule
Q25: A motor unit consists of
A) one neuron
Q26: The binding of acetylcholine to its receptor
Q27: The relaxation of skeletal muscle relies on
Q28: Motor units that control skeletal muscles involved
Q29: During heavy exercise, the ATP requirements of
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