Question

7. At what structures in the lungs do the exchange of oxygen and carbon dioxide take place?

Answer 1

It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli. The walls of the alveoli actually share a membrane with the capillaries in which oxygen and carbon dioxide move freely between the respiratory system and the bloodstream.

Answer 2

Answer:

Answer is Alveoli

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