Some
diseases
,
such
as
____________________
,
are
____________________
.
This
means
they
____________________
from
person
to
person
through
the
____________________
.
The
germs
or
____________________
usually
enter
the
body
through
the
nose
or
the
____________________
.
The
body
has
natural
____________________
,
such
as
white
blood
____________________
,
to
protect
itself
against
germs
.
If
you
get
plenty
of
____________________
,
drink
enough
water
,
exercise
and
have
a
healthy
____________________
,
your
defences
will
be
____________________
.
