Question

With the help of a flow chart,show how the exchange of gases takes place in the lungs.

Answer 1

Answer:

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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.