a motor unit typically includes on ___and several____
motor neuron, muscle fibers
the electrical impulses that triggers a contraction travels deep into a skeletal muscle fiber by means of
neurotransmitter molecules are stored in vesicles within
motor neuron axons
the enzyme acetlycholineesterase causes acetycholine to
creatine phosphate supplies energy for the ____of ATP
binding sites on the surface of actin allow the formation of cross bridges with molecules of
the amount of oxygen needed to support the conversion of lactic acid to glucose by the liver is called the
a muscle cramp is most likely due to a temporary lack of
the characteristic reddish brown color of skeletal muscle comes from which substance
the threshold stimulus is the
certain strenght of stimulation
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