Motor neurons are
A) evenly distributed throughout the gray matter of the spinal cord.
B) evenly distributed throughout the white matter of the spinal cord.
C) more numerous in spinal segments serving the middle torso.
D) more numerous in spinal segments serving the arms and legs.

Question

Quizplus · Accepted Answer

Motor neurons are more numerous in spinal segments serving the arms and legs. This is because these segments need to control more complex and fine-tuned movements compared to spinal segments serving the middle torso.

Motor Neurons Are