Which part of the respiratory system is responsible for the actual exchange of g

Which part of the respiratory system is responsible for the actual exchange of gases?

Which part of the respiratory system is responsible for the actual exchange of gases?

Step 1: Understand that the respiratory system helps us breathe.
Step 2: Know that the lungs are a key part of the respiratory system.
Step 3: Learn that inside the lungs, there are tiny structures called alveoli.
Step 4: Realize that alveoli are like small air sacs.
Step 5: Remember that the main job of the alveoli is to exchange gases.
Step 6: Identify that oxygen goes into the blood from the alveoli, and carbon dioxide leaves the blood to go into the alveoli.

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