The
function
of
the
digestive
system
is
to
____________________
down
food
,
absorb
____________________
and
____________________
to
supply
energy
to
our
body
.
At
the
end
of
this
process
,
the
system
____________________
solid
waste
.
There
is
another
system
called
____________________
System
,
which
is
responsible
for
____________________
the
blood
using
the
kidneys
.
This
also
regulates
the
water
and
salt
____________________
.
The
parts
are
:
____________________
,
kidneys
,
____________________
,
urethra
.
It's
important
to
eat
food
that
contains
carbohydrates
,
____________________
,
and
fat
.
This
will
help
your
body
to
have
a
healtier
____________________
.