During the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released.

Question

(1 point)
Responses

microorganisms
microorganisms

carbon dioxide
carbon dioxide

plasma
plasma

mucus

Answer 1

carbon dioxide

Answer 2

The gas exchange of oxygen to the bloodstream takes place in what part of the respiratory system?

(1 point)
Responses

pharynx
pharynx

bronchiole
bronchiole

alveoli
alveoli

trachea