how are lungs designed in human beings to maximise the exchange of gases ?
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A pair of lungs are designed in humans in such a way that they are lined by a thin membrane where the smaller tubes called bronchioles a balloon-like structure and the surface area for the exchange of gases have been increased by the alveoli and network of blood capillaries.
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A pair of lungs are designed that they lined by a thin membranes , the smaller tubes called bronchioles a ballon like structure called alveoli and network of blood capillaries increases surface area for exchange of gases
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