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There are approximately 480 million alveoli present in human lungs. About 70% of the area of each alveolus is wrapped in capillaries. These factors make the alveoli a perfect location for
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There are approximately 480 million alveoli present in human lungs. About 70% of the area of each alveolus is wrapped in

capillaries.
These factors make the alveoli a perfect location for

User Tiffanyhwang
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Answer:

oxygen diffusion occurs in the lung

User ShoeLace
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