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In Pictures: bodyphotos
Breathing
A microscope camera allowed this crisp image of the surface of one of the alveoli of the lung.
This is where gas exchange takes place - oxygen from the air is absorbed and carbon dioxide released.
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In Pictures: bodyphotos |
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Breathing A microscope camera allowed this crisp image of the surface of one of the alveoli of the lung. This is where gas exchange takes place - oxygen from the air is absorbed and carbon dioxide released. |
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