____________________
muscle
and
____________________
muscle
differ
from
skeletal
muscle
in
that
they
do
not
fatigue
.
____________________
muscle
allows
for
voluntary
movement
.
There
are
two
types
of
____________________
____________________
:
single
-
unit
and
multi
-
unit
.
Both
____________________
muscle
and
____________________
muscle
are
involuntary
.
Cardiac
muscle
fibers
are
shorter
than
____________________
muscle
fibers
.
Just
like
Cardiac
muscle
,
____________________
muscle
can
contract
without
external
stimuli
.
____________________
____________________
can
be
found
in
the
walls
of
organs
such
as
the
stomach
.
____________________
muscle
functions
to
stabilize
joints
.
Cardiac
muscle
is
located
in
the
walls
of
the
____________________
.
Skeletal
muscle
is
found
attached
to
the
skeleton
through
a
connective
tissue
called
an
____________________
.
Cardiac
cells
,
known
as
____________________
,
contract
without
any
stimulation
.
