In the Early Days of the Telephone, All Calls Were

Multiple Choice

In the early days of the telephone, all calls were routed through a switchboard. The switchboard was controlled by an operator. The operator connected the incoming calls to their intended location via telephone wires. The part of the body that operates MOST similarly to a telephone switchboard operator is the:

A) brainstem.
B) corpus callosum.
C) peripheral nervous system.
D) central nervous system.