Figure 3-8.Striated (voluntary) muscle.
MUSCULAR. Muscular tissue provides
for all body movement. There are two
types, voluntary and involuntary.
a. Voluntary muscle fibers are striated, or
striped, and are under the control of the
individuals will (fig. 3-8). Muscles that
attach to bone are voluntary muscles.
b. Involuntary muscle fibers are smooth,
or nonstriated, and are not under the
control of the individuals will (fig. 3-9).
The muscles of the stomach are an
NOTE: Composed of a special branched type
of cell, the heart (cardiac) muscle is an involun-
tary muscles that is striated (fig. 3-10).
4. LIQUID. Liquid tissues act as a medium
for supplying the body with nutrients and
as a vehicle for eliminating waste material.
They form the blood, lymph, and tissue
5. NERVOUS. Nervous tissue is the most
complex tissue in the body. It is the sub-
stance of the brain, spinal cord, and nerves.
Nervous tissue requires more oxygen and
Figure 3-9.Non-striated (involuntary) muscle.
Figure 3-10.Cardiac muscle.