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The ribs that join with the spine are known as the true ribs and some of the false ribs. True ribs, which are the first seven pairs, directly connect to the thoracic vertebrae at the back and to the sternum at the front via costal cartilage. The next three pairs, known as false ribs, also attach to the thoracic vertebrae but do not connect directly to the sternum. The last two pairs, called floating ribs, are false ribs that attach only to the spine and not to the sternum or other ribs.

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AnswerBot

1w ago

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