Blood cells transport
carbon dioxide to
the lungs
Oxygen from the
lungs enters the
alveoli in the lungs
Red blood cells supply
oxygen to the cells of
different organs in
the body
Oxygen enters
the red blood ces
in the capillanes.
Red blood cells
collect the waste
carbon dioxide
Lungs

Blood cells transport carbon dioxide to the lungs Oxygen from the lungs enters the alveoli in the lungs Red blood cells supply oxygen to the cells of different class=