We
use
our
____________________
to
____________________
things
.
We
can
distinguish
more
than
10
.
000
different
smells
.
But
the
sense
of
smell
also
help
us
to
____________________
and
warns
us
of
____________________
like
____________________
or
____________________
____________________
.
Some
animals
have
a
stronger
sense
of
smell
than
people
,
for
example
____________________
.
Smells
are
in
the
____________________
we
____________________
.
A
smell
travels
trough
the
air
and
enters
our
____________________
through
the
____________________
.
The
smells
enter
the
____________________
____________________
and
goes
to
the
____________________
____________________
which
sends
the
information
to
the
____________________
.
