Find out the false statement.

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Question

(B) The statement in option $B$ is false because the excretory system is primarily responsible for the removal of metabolic wastes from the body,not t

Vedclass · Accepted Answer

Excretory system and respiratory system involve in exchange of respiratory gases.

Vedclass · Answer

(B) The statement in option $B$ is false because the excretory system is primarily responsible for the removal of metabolic wastes from the body,not the exchange of respiratory gases. The exchange of respiratory gases ($O_2$ and $CO_2$) is the primary function of the respiratory system and the circulatory system. Option $A$ is a general definition of respiration involving gas exchange. Option $C$ is correct as oxygen is essential for aerobic respiration to produce $ATP$. Option $D$ is correct because cellular respiration involves the breakdown of complex molecules like glucose into simpler ones,which is a catabolic process.

List-$I$	List-$II$
$A$. Emphysema	$I$. Rapid spasms in muscle due to low $Ca^{++}$ in body fluid
$B$. Angina Pectoris	$II$. Damaged alveolar walls and decreased respiratory surface
$C$. Glomerulonephritis	$III$. Acute chest pain when not enough oxygen is reaching to heart muscle
$D$. Tetany	$IV$. Inflammation of glomeruli of kidney

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 partial pressure of carbon dioxide in different parts involved in diffusion in comparison to the atmosphere.
Column-$I$ Column-$II$ ($mm\, Hg$ pressure)
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$Q$. Tissues $II$. $45$
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