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You are watching: The ribs that attach to the sternum are called

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Rib cage, in vertebrate anatomy, basketlike skeletal structure that develops the chest, or thorax, and also is comprised of the ribs and their equivalent attachments come the sternum (breastbone) and the vertebral column. The rib cage surrounding the lungs and the heart, serving as vital means the bony defense for these an essential organs.In total, the rib cage consists of the 12 thoracic vertebrae and also the 24 ribs, in addition to the sternum. V each being successful rib, native the first, or uppermost, the curvature that the rib cage becomes much more open. The rib cage is semirigid however expansile, able to rise in size. The tiny joints in between the ribs and also the vertebrae allow a gliding motion of the ribs ~ above the vertebrae during breathing and other activities.

The an initial seven ribs in the rib cage room attached come the sternum by pliable cartilages dubbed costal cartilages; these ribs are called true ribs. Of the remaining 5 ribs, i m sorry are called false, the very first three have their costal cartilages associated to the cartilage over them. The last two, the floating ribs, have their cartilages ending in the muscle in the abdominal muscle wall. The configuration of the lower 5 ribs gives flexibility for the development of the lower part of the rib cage and also for the movements of the diaphragm, i beg your pardon has an extensive origin from the rib cage and the vertebral column. The activity is minimal by the ligamentous attachments in between ribs and vertebrae.

The rib cage, or thoracic basket, consists of the 12 thoracic (chest) vertebrae, the 24 ribs, and also the breastbone, or sternum. The ribs are...

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