Breathing involves ...A... during which atmos | vedclass

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(C) Breathing,commonly known as pulmonary ventilation,consists of two main stages:$1$. $A-$ Inspiration (Inhalation): This is the process during which

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$A-$ inspiration; $B-$ expiration

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(C) Breathing,commonly known as pulmonary ventilation,consists of two main stages:$1$. $A-$ Inspiration (Inhalation): This is the process during which atmospheric air is drawn into the lungs.$2$. $B-$ Expiration (Exhalation): This is the process by which the alveolar air (air rich in $CO_2$) is released out into the atmosphere.Therefore,the correct sequence is $A-$ inspiration and $B-$ expiration.

Breathing involves ...$A$... during which atmospheric air is drawn in and ...$B$... by which the alveolar air is released out.
Choose the correct option for $A$ and $B$ to complete the given $NCERT$ statement.

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Breathing involves ...$A$... during which atmospheric air is drawn in and ...$B$... by which the alveolar air is released out.Choose the correct option for $A$ and $B$ to complete the given $NCERT$ statement.