The
____________________
has
two
layers
.
The
outer
layer
which
has
____________________
____________________
____________________
____________________
surrounding
the
bone
.
It
contains
many
____________________
vessels
and
____________________
.
The
inner
layer
is
a
single
layer
of
bone
cells
including
____________________
and
____________________
.
The
____________________
is
thin
connective
tissue
that
lines
the
inside
of
bone
cavities
.
