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What is the major role of the lungs?

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Anonymous

15y ago
Updated: 8/17/2019

The lungs are cavities that allow for the intake of oxygen. They also have a large surface area used by alveoli, sacs lined with capillaries, which are responsible for gas exchange. When the oxygen diffuses into the blood, carbon dioxide is released back into the lungs where it is breathed out.

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15y ago

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