The C6 vertebra may look like it is smiling, but it has an important job. Sitting in the neck, this bone helps support the head, protect the spinal cord, and allow smooth movement every day. Source: OpenStax. Anatomy and Physiology 2e. OpenStax, openstax.org/books/anatomy-and-physiology-2e/pages/7-3-the-vertebral-column. Want more interesting content like this ? Follow gravitonomy :) #vertebrae #spine #cervical #c6 #science