Blood
is
contained
in
the
____________________
____________________
.
The
thick
ones
are
the
____________________
and
the
____________________
.
The
____________________
are
thin
and
fragile
.
____________________
is
the
movement
of
blood
throughout
our
body
.
The
____________________
is
the
organ
that
makes
blood
circulation
possible
.
