The nervous system is vital for coordinating actions and responses in living organisms. It is divided into several key components, the main ones being the central nervous system (CNS) and the peripheral nervous system (PNS). The central nervous system includes the brain and spinal cord, while the peripheral nervous system encompasses all the nerves that branch out from the spinal cord and extend to other parts of the body.
Which of the following best describes the role of the central nervous system?