____________-a specialized cell that transmits electrical signals; a nerve cell

__________-white substance of the central nervous system; myelinated nervous fibers

________-mature cartilage cell

___________-the bundle of nervous tissue that runs from the brain to the lumbar vertebrae and provides a conduction pathway to and from the brain

_________________________________ -a state of body equilibrium or stable internal environment of the body

Identify and click on the rectus femoris.

______________-neuron process that carries impulses away from the nerve cell body; efferent process; the conducting portion of the nerve cell

_________________________________ -relating to the limbs; one of the two major divisions of the body

_________________-tiny, smooth muscles attached to hair follicles; contraction causes hair to stand upright Sebaceous gland

__________-a sustained muscle contraction caused by a rapidly repeated stimuli