What function do the alveoli perform?
Exchange oxygen in the blood for carbon dioxide in the air
Carry oxygenated blood away from the heart
Exchange oxygen in the air for carbon dioxide in the blood
Hold receptors for the sense of smell
The correct answer is: Exchange oxygen in the air for carbon dioxide in the blood.
Which organ of the respiratory system is located inside the lungs?
Bronchioles
Nasopharynx
Trachea
Larynx