Match Each Term with Its Definition

Match each term with its definition.
-ventricles

A) loose meshwork of neurons organized with radial symmetry
B) cavities in the vertebrate brain filled with cerebrospinal fluid
C) efferent portion of the PNS that deals with body movements that are under conscious, voluntary control
D) neuronal activity that occurs without conscious effort; often associated with protection
E) carries nervous activity from the brain and spinal cord to effector structures
F) composed of the midbrain, pons, and medulla
G) associated with the ability to speak