Exam 3: The Neuromuscular System

The pathway of nerve impulses from the periphery to the central nervous system contains:

The central nervous system includes the brain and lower motor neurons.

The process by which the myosin cross bridge swivels inward, is released from the actin molecule, stands back up, rebinds to the actin molecule, and swivels again is called:

Upper motor neurons have cell bodies that are located in the brain.

Learning a new gymnastic move primarily involves:

Dendrites receive impulses and conduct them to the cell body.

Recruitment generally follows the _____, in which increasingly forceful contractions are achieved by the recruitment of progressively larger motor units.

An increase in cell number due to cell division is known as _____.

Two important hormones involved with neuromuscular adaptations to resistance exercise are _____ and _____.

The muscle spindle is arranged parallel to the extrafusal fibers.

The basic functional unit of the neuromuscular system is the motor unit.