Question

what is alveoli air exchange ​

Answer 1

Explanation:

Gas exchange is the delivery of oxygen from the lungs to the blood stream th elimination of carbon dioxide from the blood stream from the lungs .It occurs in the between the alveoli and a network of tiny blood vessels called capillaries which are located in the walls of the alveoli

Answer 2

Answer:

Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.