In humans, respiration occurs in the following steps. Arrange these steps in the correct order.
$A$. Diffusion of $O_2$ and $CO_2$ between blood and tissues
$B$. Diffusion of $O_2$ and $CO_2$ across alveolar membrane
$C$. Pulmonary ventilation by which atmospheric air is drawn in and $CO_2$ rich alveolar air is released out
$D$. Cellular respiration
$E$. Transport of gases by the blood

  • A
    $A, B, C, D, E$
  • B
    $C, A, B, E, D$
  • C
    $C, B, E, A, D$
  • D
    $E, A, C, D, B$

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Similar Questions

Select the correct match.

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

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$III$. $0.3$

$A$ : The passage starting with the external nostrils up to the terminal bronchiole constitutes the respiratory part.
$R$ : The respiratory part transports the air to the alveoli,clears it from foreign materials,humidifies it,and brings the air to body temperature.

Match the following:
Column-$I$Column-$II$
$1$. $97\%$ of $O_2$ is transported$p$. Bicarbonate
$2$. $70\%$ of $CO_2$ is transported$q$. $RBC$
$3$. $100$ $ml$ of oxygenated blood$r$. $4$ $ml$
$4$. $100$ $ml$ of deoxygenated blood$s$. $5$ $ml$

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