Question

how are lungs designed to maximize the exchange of gasses

Answer 1

In the lungs the bronchioles terminate in balloon like structure called alveoli.the alveoli contains network of blood cappilaries that increase the surface area for exchange of gases.Lungs are divided into smaller components called alveolar sacs where the major process of gas exchange takes place.

Answer 2

Here is your answer :-

The answer of your question is very simple and short .

Human lungs contain ALVEOLI which are help in exchange of gas .So human lungs maximise the exchange of gases .