your kidney
no organ protects the spinal cord, and the spinal cord supports the head and back.
organ
The spinal cord belongs to the nervous system.
The spinal cord
It is the spinal cord and the brain!
brain
The brain is the most important organ of the nervous system. The spinal cord and the brain are the main parts of the nervous system but the spinal cord is not considered to be an organ.
It is the spinal cord and the brain!
Nervous system
the spinal cord, that's it
Nervous system
Your backbone houses the spinal cord but this is not an organ in its own rite.