The correct answer is C. They provide materials organisms need to build their bodies
They are all around us and are essential for all things organic, which means all life forms. They are also important for the creation of energy.
The spinal cord is located in the vertebral foramen and is made up of 31 segments: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal. A pair of spinal nerves leaves each segment of the spinal cord.
