Each somatic motor neuron with all the muscle fibers it innervates is a
A) fascicle.
B) varicosity.
C) motor unit.
D) sarcolemma.
Correct Answer:
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Q15: The epimysium surrounds the individual muscle cells.
Q16: Longer,stronger muscles have motor units with very
Q17: Duchenne's muscular dystrophy
A)is an X-linked recessive trait.
B)most
Q18: Motor unit recruitment allows for _ contraction
Q19: Flexors increase the angle at a joint.
Q21: Thin filaments are composed of myosin and
Q22: Cross-bridge formation occurs when myosin heads attach
Q23: What structure is composed of protein filaments
Q24: During skeletal muscle contraction the A band
Q25: What protein primarily makes up the thick
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