The Muscle Fibers of a Skeletal Muscle are Arranged in Small

Question

The muscle fibers of a skeletal muscle are arranged in small groups or bundles called
A) motor units
B) fasciculi
C) sarcomeres
D) myofibrils
E) synergists

Accepted Answer

The muscle fibers of a skeletal muscle are arranged in small groups or bundles called fasciculi. Motor units refer to a single motor neuron and all the muscle fibers it innervates. Sarcomeres are the smallest structural unit of myofibrils, which are composed of many sarcomeres. Synergists are muscles that work together to create movement.