You probably have a good image of the way your lungs look on the outside. While you may think they function a little like balloons in that they expand when air is consumed, it's probably better to think of your two lungs as large sponges. They're light and fluffy when filled with air, but they get bogged down when they get wet (as they do in some diseases) and don't exchange air very well in those cases.
You probably have a good image of the way your lungs look on the
outside. While you may think they function a little like balloons
in that they expand when air is consumed, it's probably better to
think of your two lungs as large sponges. They're...
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Dr. Michael Roizen answered:You probably have a good image of the way your lungs look on the outside. While you may think they function a little like balloons in that they expand when air is consumed, it's probably better to think of your two lungs as large sponges. They're light and fluffy when filled with air, but they get bogged down when they get wet (as they do in some diseases) and don't exchange air very well in those cases.
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