How many bones are in the spine?

The human spine is a complex anatomic structure that is the scaffolding for the entire body. It provides several important functions, including: Protecting the spinal cord and nerves Structural support for the body, allowing us to stand upright. The spine supports about half the weight of the body The bottom of the spine is called the saccrum . It is made up of several vertebral bodies usually fused together as one.

The spine above the sacrum consists of:

  • Seven bones in the neck—the cervical spine
  • 12 bones in the chest—the thoracic spine
  • Five bones in the lower back—the lumbar spine
  • The human spinal column is made up of 33 bones – 7 vertebrae in the cervical region, 12 in the thoracic region, 5 in the lumbar region, 5 in the sacral region and 4 in the coccygeal region.

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