Which of the following statements is incorrec | vedclass

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(B) $1$. The human respiratory system is divided into two parts: the conducting part and the respiratory (exchange) part.$2$. The conducting part incl

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It is the site of actual diffusion of $O_2$ and $CO_2$ between blood and atmospheric air.

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(B) $1$. The human respiratory system is divided into two parts: the conducting part and the respiratory (exchange) part.$2$. The conducting part includes the external nostrils, nasal passage, pharynx, larynx, trachea, bronchi, and bronchioles (up to the terminal bronchioles).$3$. The primary functions of the conducting part are to transport atmospheric air to the alveoli, clear it of foreign particles, humidify it, and bring it to body temperature.$4$. The respiratory or exchange part consists of the alveoli and their ducts, where the actual diffusion of $O_2$ and $CO_2$ between blood and atmospheric air takes place.$5$. Option $B$ is incorrect because the conducting part does not perform gas exchange; gas exchange occurs in the respiratory exchange zone (alveoli and their ducts).

Which of the following statements is incorrect regarding the conducting part of the human respiratory system?

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