Biology, asked by kritika33049, 1 year ago

name the functional unit of lungs.and explain its working

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Answered by ayush579
4
I hope help you
Alveoli filled with oxy-gen. ;) The functional unit of the lung(Air sacs resembling a cluster of grapes.) They are thin & have moist walls. They are a single layer of cells & surrounded by a network of capillaries
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