The Backbone...
... is the most important part of the skeleton. It provides support to the body and helps to keep our body straight.
The backbone is made up of a number of small bone structures called vertebrae . The vertebrae stand on each other and form the backbone.
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The inside of the back bone is hollow and encloses the spinal cord. The spinal cord consists of many nerve cells.
It is very important that we do not hurt our back bone as we may damage some of the nerves and end up paralyzed.