These muscles extend from a superior rib inferomedially to the adjacent inferior rib. They elevate the ribs upon contraction, thereby increasing the transverse dimensions of the thoracic cavity during inhalation

A.   External intercostals
B.   Scalenes
C.   Transversus thoracis
D.   Internal intercostals
E.   Serratus posterior inferior


A

Anatomy & Physiology

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What will be an ideal response

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