Which of the following statements are not cor | vedclass

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(D) $I.$ The diffusion membrane is made up of three layers: the thin squamous epithelium of alveoli,the endothelium of alveolar capillaries,and the ba

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None of these

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(D) $I.$ The diffusion membrane is made up of three layers: the thin squamous epithelium of alveoli,the endothelium of alveolar capillaries,and the basement substance in between them. This statement is correct.$II.$ The solubility of $CO_{2}$ is $20-25$ times higher than that of $O_{2}$ across the diffusion membrane. This statement is correct.$III.$ Breathing volumes and capacities are estimated using a spirometer. This statement is correct.$IV.$ High $H^{+}$ concentration (low $pH$) in the blood shifts the oxygen-hemoglobin dissociation curve to the right,which favours oxygen dissociation from hemoglobin (Bohr effect). This statement is correct.Since all statements are correct,none of the options provided indicate an incorrect statement.

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	$s$. $5$ $ml$

Column-$I$	Column-$II$ ($mm\, Hg$ pressure)
$P$. Atmospheric air	$I$. $40$
$Q$. Tissues	$II$. $45$
$R$. Oxygenated blood	$III$. $0.3$

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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 $s$. $5$ $ml$

Describe the steps of respiration in short.

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 $III$. $0.3$

Which of the following steps is $NOT$ involved in the process of respiration?

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