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Ralph Hutchings

Resin cast of a human lung showing each lobe in a different color. The lungs take in around 0.5 liters of air in every breath, with around 12 breaths per minute at rest. The lungs have a large network of airways, which gives them a huge surface area for oxygen to diffuse into the blood and carbon dioxide to diffuse out.
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Resin cast of a human lung showing each lobe in a different color. The lungs take in around 0.5 liters of air in every breath, with around 12 breaths per minute at rest. The lungs have a large network of airways, which gives them a huge surface area for oxygen to diffuse into the blood and carbon dioxide to diffuse out.

Filename: 900899.jpg
From gallery: Ralph Hutchings
Photographer: Ralph Hutchings
Source: Visuals Unlimited, Inc.
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Credit: Ralph Hutchings/Visuals Unlimited, Inc.
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