Question

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

Answer 1

Explanation:

Lungs contain millions of alveoli which provide a surface for the exchange of gases. An extensive network of blood vessels is present in the wall of the alveoli.

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Answer 2

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» The structure of lungs in a human body is designed in a way to maximize the exchange of gases.

» Alvoli are present on the tips of every nerve ending which increases the surface area of the lungs and provides more exposure for the exchange of gases.

» The presence of alveoli in the lungs provides a very large surface area for the exchange of gases and this availability of large surface area maximises the exchange of gases.