Question

What does each part of the "buch of grapes" model represent,in relation to the breathinh system?

Answer 1

The grapes represent pulmonary alveoli. The stems could be considered as representing terminal bronchioles or alveolar ducts. It’s a crude analogy, though; the alveoli are really more like a cluster of adhering soap bubbles with shared interfaces than they are like grapes, which are separate spheres each with their own individual walls.

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