Question

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

Answer 1

Answer:

lungs play a mirror role in the respiratory system. in humans a pair of lungs are designed in such a way that they a linked by a thin membrane tbe smaller tube called bro nchloids. a bollon lome structure alveloi and network of blood callipars increases the surface area for exchange of gases ..

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Answer 2

Within the lungs , the air passage

divides into smaller and smaller tubes

called bronchi which in turn form

bronchioles . The bronchioles terminate

in balloon-like structures called alveoli .

The alveoli present in the lungs provide

maximum surface for exchange of gases .

The alveoli have vary thin walls and

contain an extensive network of blood

vessels to facilitate exchange of gases .