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  • Which of the following gasses is exchanged in the alveoli of the lungs during respiration?  Option: 1 Ox

Which of the following gasses is exchanged in the alveoli of the lungs during respiration?

 

Option: 1

Oxygen


Option: 2

Carbon dioxide


Option: 3

Nitrogen

 


Option: 4

Water vapor


Answers (1)

best_answer

During respiration, oxygen and carbon dioxide are exchanged in the alveoli of the lungs. Oxygen from the inhaled air diffuses across the walls of the alveoli and into the surrounding capillaries, while carbon dioxide from the capillaries diffuses across the walls of the alveoli and into the air in the lungs. The exchange of oxygen and carbon dioxide in the alveoli is critical for the uptake of oxygen by the body and the removal of carbon dioxide from the body. Therefore, the correct answer is option 1 which is Oxygen, as it is the gas that is exchanged in the alveoli during respiration.

 

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