An impulse traveling up the spinal cord first enters the brain at the
A) medulla.
B) thalamus.
C) hypothalamus.
D) cerebellum.
E) cerebrum.

Question

Quizplus · Accepted Answer

The medulla, part of the brainstem, is the primary structure through which impulses traveling up the spinal cord first enter the brain. It is responsible for transmitting signals between the spinal cord and the higher parts of the brain, and it also controls vital autonomic functions such as breathing and heart rate.

An Impulse Traveling Up the Spinal Cord First Enters the Brain