Which of the following is not the function of the conducting part of the respiratory system?

  • A
    Inhaled air is humidified
  • B
    Temperature of inhaled air is brought to body temperature
  • C
    Provides surface for diffusion of $O_2$ and $CO_2$
  • D
    It clears inhaled air from foreign particles

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Similar Questions

At high altitudes,the number of red blood cells in humans:

Match the partial pressure of carbon dioxide in different parts involved in diffusion in comparison to the atmosphere.
Column-$I$Column-$II$ ($mm\, Hg$ pressure)
$P$. Atmospheric air$I$. $40$
$Q$. Tissues$II$. $45$
$R$. Oxygenated blood$III$. $0.3$

Statement-$I$: All the factors in our body are favourable for the diffusion of $O_2$ from alveoli to tissues and that of $CO_2$ from tissues to alveoli.
Statement-$II$: $A$ sigmoid curve is obtained when the percentage saturation of haemoglobin with $O_2$ is plotted against the $pO_2$.

What is the approximate amount of $CO_2$ eliminated by our lungs per day?

The number of $RBCs$ in man increases if he lives at a higher altitude; this is because

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