Question

how are lungs designed in human beings to maximise the area for exchange of gases

Answer 1

In lungs there is a presence of alveoli by this alveoli the area is maximise

Answer 2

In lungs, the bronchioles terminate in balloon like structure called alveoli. The alveoli provide extensive surface where the exchange of gases can take place. The thin, moist, permeable walls of alveoli facilitate quick diffusion and exchange of gases. More over it is richly supplied with blood capillaries.


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