write two functions of rib cage and
back bona each.
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rib cage protects our lungs and heart
back bone help in bending of our body...
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Answer:
The ribs are the bony framework of the thoracic cavity. The ribs form the main structure of the thoracic cage protecting the thoracic organs, however their main function is to aid respiration. There are twelve pairs of ribs. Each rib articulates posteriorly with two thoracic vertebrae by the costovertebral joint.
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