What Is the Most Accurate Representation of the Relationship Between

Multiple Choice

What is the most accurate representation of the relationship between the brain and spinal cord

A)  The spinal cord communicates with the brain but is separated by the meninges. 
B)  The spinal cord receives commands from the brain through nerves and cerebrospinal fluid. 
C)  The spinal cord and brain contribute independently to the central nervous system. 
D)  The spinal cord is an extension of the brain.