Question:
if there is only one bone in backbone
Answer:
The vertebral column is also known as the backbone or spine and it is the part of the axial skeleton. The vertebral column is a characteristic of a vertebrate, in which the notochord found in all chordates has been replaced by a segmented series of bones—vertebrae separated by intervertebral discs. The vertebral column houses the spinal canal, a cavity that encloses and protects the spinal cord.
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