During inspiration,the diaphragm:
- ARelaxes to become dome-shaped
- BContracts and flattens
- CExpands
- DShows no change
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In rabbits,inspiration occurs by the contraction of:
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View SolutionArrange the given steps of expiration in the sequence of events occurring first:
$I.$ Relaxation of the diaphragm and sternum
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$IV.$ Increase in intra-pulmonary pressure
Choose the correct option.
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