Thyroid hormone receives signals from the brain and coordinates cells to change their functions, depending on what else is going on in your body. (healthline.com)
A spinal cord injury occurs when the cells inside a person's spinal cord are damaged, disrupting the relay of signals from the brain to the rest of the body. (bestattorney.com)
The primary function of the spinal cord is to transmit signals from the brain to other parts of the body. (ccdlaw.com)