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.
Choose the correct option for $A$ and $B$ to complete the given $NCERT$ statement.
- A$A-$ expiration; $B-$ osmosis
- B$A-$ expiration; $B-$ inspiration
- C$A-$ inspiration; $B-$ expiration
- D$A-$ inspiration; $B-$ diffusion
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Similar Questions
During inspiration,the diaphragm
Easy
View SolutionSelect the correct events that occur during inspiration.
$(a)$ Contraction of diaphragm
$(b)$ Contraction of external inter-costal muscles
$(c)$ Pulmonary volume decreases
$(d)$ Intra pulmonary pressure increases
$(a)$ Contraction of diaphragm
$(b)$ Contraction of external inter-costal muscles
$(c)$ Pulmonary volume decreases
$(d)$ Intra pulmonary pressure increases
Volume of thoracic chamber increases in antero-posterior and dorso-ventral axis in rabbit by
Medium
View SolutionArrange the given steps of expiration in the sequence of events occurring first:
$I.$ Relaxation of the diaphragm and sternum
$II.$ Reduction of the pulmonary volume
$III.$ Expulsion of air from the lungs
$IV.$ Increase in intra-pulmonary pressure
Choose the correct option.
$I.$ Relaxation of the diaphragm and sternum
$II.$ Reduction of the pulmonary volume
$III.$ Expulsion of air from the lungs
$IV.$ Increase in intra-pulmonary pressure
Choose the correct option.
Medium
View SolutionThe intake and output of air from the lungs is helped by
Medium
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