We
can
difference
the
heart
in
four
parts
:
left
and
right
____________________
and
left
and
right
____________________
-
We
breathe
in
oxygen
through
the
____________________
and
the
____________________
-
The
air
goes
down
into
the
____________________
-
We
breathe
in
____________________
and
breathe
out
____________________
____________________
.
-
As
the
previous
systems
,
the
organs
which
helps
us
to
digest
the
food
is
called
the
digestive
system
.
-
The
digestion
starts
in
the
____________________
-
It
goes
down
into
our
____________________
and
____________________
.
-
The
intestine
separates
the
____________________
and
the
____________________
-
The
nutrients
are
passed
to
our
body
by
the
____________________
____________________
.
