Your brain, spinal cord, and nerves are the main parts of your nervous system. Important messages travel back and forth from your brain. They travel through your spinal cord and out to nerves that ...

31 spinal nerves enter the cord. Along its length, it connects with the nerves of the peripheral nervous system (PNS) that run in from the skin, muscles, and joints. Motor commands from the brain ...

Peripheral nervous system 31 pairs of spinal nerves connect your spinal cord to the rest of your body. These nerves are part of your peripheral nervous system. They carry information in the form ...

and your sympathetic system relies more on the nerves that stem from your spinal cord. Your sympathetic nervous system has nerve fibers in nearly every tissue and organ in your body. For example ...

Central nervous system — the brain and spinal cord Peripheral nervous system — the nerves that make your muscles move and tell your brain what your body is feeling Autonomic nervous system — the ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. The vagus nerve is the primary nerve of the parasympathetic nervous system, which initiates the body’s “rest and digest” response, says ...

The nervous system consists of the central nervous system (brain and spinal cord) and the peripheral nervous system (motor nerves, sensory nerves, cranial and spinal nerves, autonomic ganglia, and ...