°°In humans , the 11th and 12th pairs of ribs hang freely and are called°° ❓Please..☠
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The phrase floating rib or vertebral rib (Latin: costae fluctuantes) refers to the two lowermost, the eleventh and twelfth rib pairs; so-called because they are attached only to the vertebrae–and not to the sternum or cartilage of the sternum.
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