movements contract involuntary nervous move relax system shapes muscular protects helps protects receive supports nervous response tendons joints
In
the
interaction
function
we
information
and
create
a
.
There
are
three
systems
involved
:
system
,
skeleton
and
system
.
The
system
controls
everything
we
do
.
The
skeleton
system
our
body
and
our
internal
organs
.
Bones
are
connected
by
.
The
muscular
system
our
body
,
us
to
and
internal
organs
.
Muscles
are
connected
to
bones
by
.
There
are
two
important
:
voluntary
and
.
Muscles
and
to
move
our
body
.