Question

Why is it better that the lungs are spongy rather than empty like a balloon?

Answer 1

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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Answer 2

he lungs feel spongy because of the millions of alveoli inside them. The alveoli are tiny air sacs that have pores in them to allow for the diffusion of oxygen. ... Furthermore, the large amount of surface area in lungs that is necessary to absorb oxygen gives them that spongy feel as we