In which part of the respiratory system, gaseous exchange takes place?

Pharynx

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Alveoli

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Trachea

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Larynx

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Solution

The correct option is B Alveoli
Alveoli present in the lungs have thin and moist walls to facilitate gaseous exchange. They increase respiratory surface area and allow efficient diffusion of gases due to the presence of thin blood capillaries in close proximity.

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