Question

the backbone consists of small ringlike ​

Answer 1

Answer:

Backbone or Vertebral Column: The vertebral column extends from the base of the skull to the hip. It consists of 33 small rings; called vertebrae which are joined from end-to-end. Shoulder bone or Pectoral Girdle: The shoulder bone is formed by the collar bone and the shoulder blade

Answer 2

because it has many pices because this allow it to bend in many places , giving it great flexibility , and it is ring shaped so that it can contain and protect the spinal cord.

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