Explain how the lungs are designed in human beings
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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. These alvoli are in millions of numbers. The exchange of gases and successful breathing process occurs mainly through them.
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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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