How lungs are desinged max. And min.size exchange of gases

1.	How lungs are desinged max. And min.size exchange of gases
Answer» When we breathe in our diaphragm comes up and our lungs minimise their size but when we breathe out our diaphragm goes down and our lungs maximise their size. I\'ll feel extremely sorry if it is wrong or not useful to you. :) :)

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