In any body locale where strength of interconnection is a requirement, dense connective tissues are found. Forces transmitted across tissues determine how the protein fibers are placed within each tissue type. For example, tendons and ligaments are cords of the body that must resist linear forces along their lengths.
The cervical spine in your neck is made up of seven bones called vertebrae, which are separated by discs filled with a cushioning gel-like substance. Your cervical discs both stabilize your neck and allow it to turn smoothly from side to side and bend forward to back.
1 5 lumbar vertebrae in the lower back. 2  5 sacral vertebrae which are fused together to form 1 bone called the sacrum and 4 coccygeal vertebrae that are also fused together to form the coccyx or tailbone.  The vertebrae are refered to by their name and number, counting down from the top of the spinal column as follows: