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This body system is where oxygen gas and carbon dioxide gas are exchanged in our body. *
A.) Circulatory System
B. )Respiratory System
C.) Lymphatic System
D.) Nervous System

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Answer:

The answer is the respiratory system

Explanation:

The function of the respiratory system is to move two gases. These two gases are called oxygen and carbon dioxide. Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.
B.) respiratory system

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