Question

In which blood vessels does the exchange of gases take place?

A. Arteries

B. Capillaries

C. Diaphragm

D. Veins

Answer 1

This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

B.

Answer 2

B: Capillaries

Step-by-step explanation:

any of the fine branching blood vessels that form a network between the arterioles and venules.