how are the lungs designed in human being for exchange of gases
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there are million of alveoli in our lungs which help in exchanging of gases and increase surface for it
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Respiration in human beings takes place through a special system called as respiratory system.This involves nostrils, nasal cavity, larynx, bronchi, bronchioles ending in alveoli inside the lungs. Lungs are designed in such a way that they are lined by a thin membrane to facilitate the exchange of gases.
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