Oxygen-Carbon Dioxide Exchange Place the statements in the correct
order.

1. heart pumps oxygen-
rich blood to the body
2. carbon dioxide moves
from bronchioles to bronchi
3. air moves through the
bronchi into the bronchioles
4. blood picks up carbon
dioxide from the body
5. INHALE
6. alveoli receive oxygen
to pass to blood
7. heart pumps carbon
dioxide rich blood to the
lungs
8. nose traps germs in air
9. oxygen passes into the
blood
10. air moves down the
trachea
11. alveoli receives carbon
dioxide from the blood
12. oxygen-rich blood flows to
the heart
13. carbon dioxide flows up
the trachea
14. EXHALE
15. carbon dioxide flows out
the nose and mouth