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Skeletal system Thoracic skeleton

Typical rib (left)

Typical rib (right)

First rib (left) = Rib 1 (left)

First rib (right) = Rib 1 (right)

Second rib (left) = Rib 2 (left)

Second rib (right) = Rib 2 (right)

Sternum
Background
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