microbes
infection
bacteria
environment
antibiotics
fungi
growth
penicillin
antibiotic
environment
bacteria
environment
immune
destroy
antibiotics
environment
bacteria
bacterial
bacteria
infection
medicines
nitrogen
bacteria
bacteria
Antibiotics
nitrogen
weakening
fungi
drugs
roots
sick
bacteria
immune
vaccinated
There
are
____________________
that
go
through
a
process
called
fixing
nitrogen
.
These
____________________
,
living
in
the
____________________
of
plants
,
actually
help
them
absorb
____________________
from
the
surrounding
soil
.
The
____________________
is
very
important
for
the
____________________
of
the
plant
,
and
these
little
____________________
give
them
an
advantage
for
survival
.
Scientists
have
even
discovered
____________________
that
will
help
you
battle
bacterial
diseases
.
So
you
get
sick
,
the
doctor
looks
at
you
and
says
you
have
a
____________________
____________________
,
maybe
bronchitis
.
He
prescribes
an
____________________
to
help
you
get
better
.
____________________
are
drugs
designed
to
destroy
bacteria
by
____________________
their
cell
walls
.
When
the
bacterial
cell
walls
are
weak
,
your
____________________
cells
can
go
in
and
____________________
the
____________________
.
Although
there
are
many
types
now
,
one
of
the
first
____________________
was
called
____________________
.
Scientists
are
working
with
microbes
and
the
compounds
they
create
to
make
new
____________________
to
save
our
lives
.
You
might
be
____________________
for
pox
or
the
flu
.
Scientists
have
studied
those
viruses
to
see
how
they
act
.
Then
they
came
up
with
a
way
to
teach
your
____________________
system
to
do
battle
.
If
you
get
____________________
at
all
,
you
will
be
able
to
fight
off
the
____________________
.
Labs
are
also
developing
____________________
that
help
you
fight
infections
after
you
get
the
disease
.
Labs
are
creating
new
and
stronger
____________________
every
day
.
Scientists
are
also
working
with
____________________
to
help
the
____________________
.
In
reality
,
the
____________________
did
not
need
help
;
we're
just
trying
to
lower
the
negative
impact
we
have
on
the
____________________
.
Good
examples
are
the
____________________
that
have
developed
to
break
down
oil
in
the
water
.
If
a
tanker
leaked
and
oil
began
to
get
into
the
water
,
these
____________________
could
be
released
to
break
down
the
oil
.
The
resulting
compounds
would
not
hurt
the
____________________
.
Scientists
are
also
working
with
____________________
and
____________________
to
help
breakdown
garbage
.