The Spine or vertebral,column has two main functions;it serve as a protective surrounding for the delicate spinal cord. and form the supporting back bone of the Skeleton .The spine consist of 24 separate differently shaped bones vertebrae with a curved ,triangular bone the sacrum at the bottom.The sacrum is made up of fused vertebrae ; at the lower end is a small tail like structure made up of tiny bones ,collectively called the coccyx.Between each pair of vertebrae is a disk of cartilage that cushions the bones during the movement.The top two vertebrae differ in appearance from the others and works as a pair ;the first called the atlas ,rotates around a stout vertical peg on the second,the axis.This arrangement allows the skull to move freely up and down, and from side to side.
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THE SPINE IS THE BASE OF OUR SKELETON SYSTEM.IT PROTECT THE SPINAL CORD.AND SUPPORT THE SKELETON AS BACKBONE.THUS IT IS A VERY IMPORTANT PART OF THE BODY.
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