part of nervous system that lies within the spine.
Spinal cord
The nervous system consists of the brain, _______ and nerves.
Spinal cord
______ connect the nervous system to other body parts.
Nerves
The nervous system consists of the brain, spinal cord and _____.
Nerves
The nervous system consists of the _____, spinal cord and nerves.
Brain
What is the most important organ in our body?
Brain