Contrast the functions of upper and lower motor
neurons.
Name the protective structures of the central
nervous system, and briefly describe each one.
Describe the circle of Willis and explain its
role in supplying blood to the brain.
Contrast the functions of upper and lower motor
neurons.
Name the protective structures of the central
nervous system, and briefly describe each one.
Describe the circle of Willis and explain its
role in supplying blood to the brain.