Complete the information related to the nervous system.
a. The central nervous system includes the _________ and the ________
b. The control center of the body is the ________________, located in the
____________. The spinal cord is enclosed in the _________ ________
and is sometimes called the ___________________ .
There are ________ pairs of cranial nerves that give off branches to the
structures of the head and face. There are ________ pairs of spinal nerves
that give off branches to the structures of the body from the neck down.
d. Each nerve supplies a specific body area or structure (called
__________________________ . When various nerve branches join
together, they are said to _______________________.
e. Most peripheral nerves contain both _________ fibers and _________fibers.
The control of the autonomic nervous system is almost entirely ___________
The action of the cardiac muscle is controlled by the:
a. Central nervous system.
b. Autonomic nervous system.
Peripheral nervous system.