Which of the following provide the greatest surface area for gas exchange?

Glottis

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Alveoli

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Pharynx

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Bronchioles

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Solution

The correct option is B
Alveoli

A pair of human lungs typically consists of about 700 million alveoli, which are the basic units of respiration, and together produce about 70 square metres of surface area.

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Similar questions

Which part is missing in the path of air in the human body?

Nose $\to$ Trachea $\to$ ___ $\to$ Bronchioles $\to$ Alveoli

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