​All the spinal nerves are ____ nerves.

An unmyelinated nerve fiber conducts an impulse over its entire length with a slower rate of conduction than that of a myelinated fiber.​

​Most sensory neurons are ____ neurons.

​The ____ fluid serves as a shock absorber for the central nervous system.

One role of the astrocytes is to

The ____ nervous system consists of the brain and spinal cord.​

The ventral root carries ____ neurons, while the dorsal root carries ____ neurons.

​The ____ nerve is a motor nerve that controls movement of the eyeball.

Motor neurons of the somatic motor nervous system have their nerve cell bodies, or somas, in the

The white matter of the cerebellum constitutes its