During an unforced expiration (exhalation), which of the following muscles is/are activated? - PhysiologyWeb

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Physiology Test Question

During an unforced expiration (exhalation), which of the following muscles is/are activated?

	(A) Internal intercostals
	(B) External intercostals
	(C) Abdominal muscles
	(D) A and C only
	(E) None of the above

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Posted: Thursday, January 1, 2015
Last updated: Thursday, January 1, 2015