heart blood vessels kidneys nutrients Oxygen
First
,
the
pumps
blood
around
the
body
Second
,
air
reaches
the
lungs
.
from
the
air
is
carried
around
the
bod
by
the
Third
,
Blood
transports
that
come
from
the
small
intestine
Fourth
,
blood
carries
fluid
waste
to
the
to
be
expelle
d