What function do the alveoli perform?(1 point)

Responses

exchange oxygen in the blood for carbon dioxide in the air
exchange oxygen in the blood for carbon dioxide in the air

hold receptors for the sense of smell
hold receptors for the sense of smell

exchange oxygen in the air for carbon dioxide in the blood
exchange oxygen in the air for carbon dioxide in the blood

carry oxygenated blood away from the heart

exchange oxygen in the air for carbon dioxide in the blood