Primary Component of Nervous System Functions

In the human body, the nervous system is responsible for transmitting signals between different parts of the body and processing information. It is composed of two main components: the central nervous system (CNS) and the peripheral nervous system (PNS). Understanding the structure and function of these components is crucial for comprehending how the body interacts with its environment.

Which of the following components of the nervous system is primarily responsible for processing and integrating information?