nutrients blood food small food elimination
There
are
three
stages
in
the
digestive
process
:
Digestion
:
is
the
set
of
changes
that
happens
to
as
it
travels
along
the
digestuve
tract
.
The
objective
of
these
changes
is
to
transform
into
.
Absorption
:
the
nutrients
pass
to
the
throught
capillaries
which
are
found
in
the
villi
in
the
intestine
walls
.
Excretion
:
includes
the
preparation
and
of
the
part
of
our
food
that
our
body
does
not
need
.