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Question
During heavy breathing, in case of exhalation, which of the following muscles contract?
During heavy breathing, in case of exhalation, which of the following muscles contract?
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Solution
The correct option is D Internal intercostal muscles
Heavy breathing occurs when we either do exercise or when we suffer from illness. During heavy breathing, more muscles are employed than quiet breathing. During exhalation while heavy breathing, the internal intercostal muscles contract.
The diaphragm contracts during inhalation and not during exhalation. During exhalation the diaphragm relaxes.
The external intercostal muscles contract during inhalation and relax during exhalation.
Sternocleidomastoid works during forced or heavy inspiration.
Heavy breathing occurs when we either do exercise or when we suffer from illness. During heavy breathing, more muscles are employed than quiet breathing. During exhalation while heavy breathing, the internal intercostal muscles contract.
The diaphragm contracts during inhalation and not during exhalation. During exhalation the diaphragm relaxes.
The external intercostal muscles contract during inhalation and relax during exhalation.
Sternocleidomastoid works during forced or heavy inspiration.
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