____________________
receptors
are
in
the
____________________
cavity
next
to
the
____________________
área
.
Taste
____________________
difference
between
____________________
,
____________________
,
sour
and
____________________
.
The
____________________
is
the
main
organ
of
the
sense
of
____________________
.
Light
enters
through
____________________
,
lens
and
the
____________________
.
The
____________________
are
the
organ
of
the
sense
of
hearing
.
