The skeleton of the __________ consists of (1) a midline sternum, (2) 12 pairs of ribs and associated costal cartilages, and (3) 12 vertebrae.

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Thorax. The thorax, or chest region, is a hollow body cavity enclosed by a thoracic bony and muscular wall. The skeleton of the thorax consists of (1) a midline sternum, (2) 12 pairs of ribs and associated costal cartilages, and (3) 12 vertebrae.

The Skeleton of the __________ Consists of (1) a Midline