As you move from the spinal cord up the central nervous system,the:
A) structural complexity increases.
B) functional complexity increases.
C) structural complexity decreases but the functional complexity increases.
D) Both A and B occur.

Question

Quizplus · Accepted Answer

As you move up the central nervous system from the spinal cord, both structural and functional complexity increase. The spinal cord is a relatively simple structure, while the brain is highly complex both in structure and function. Therefore, both options A and B are correct.

As You Move from the Spinal Cord Up the Central