During forced expiration,which muscles active | vedclass

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(C) During normal breathing,expiration is a passive process. However,during forced expiration,the process becomes active. This involves the contractio

Vedclass · Accepted Answer

Abdominal muscles

Vedclass · Answer

(C) During normal breathing,expiration is a passive process. However,during forced expiration,the process becomes active. This involves the contraction of the internal intercostal muscles and the abdominal muscles. These muscles work to increase the pressure within the thoracic cavity by reducing its volume,thereby pushing air out of the lungs more forcefully. Therefore,the correct option is $C$.

During forced expiration,which muscles actively contract?

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