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The lungs function to oxygenate blood and rid it of gases. When we inhale, oxygen travels into our lungs, diffuses into our blood stream and is pumped throughout our body where it can feed our bodies cells. Gases and other wastes from our cells then diffuse back into our bloodstream and travel to the appropriate areas to be removed. The lungs being one of those areas then function to remove the gases (specifically carbon dioxide and excess oxygen) so they can be exhaled.

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13y ago

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