CMAS Practice Exam 2025 – Complete Guide for Colorado Academic Success

The correct answer is the neurological system, which plays a crucial role in how individuals experience and respond to stimuli in their environment. This system includes the brain and the nerves throughout the body, and it processes information regarding pain and pleasure. The neurological system helps coordinate the body’s responses to these sensations, thereby influencing behavior. When a person feels pain, the neurological system signals the need to avoid that pain in the future, promoting survival by steering individuals away from harmful situations. Conversely, when pleasure is experienced, the system encourages the repetition of behaviors that lead to those pleasurable experiences, thereby reinforcing positive behaviors that can enhance survival and well-being. The interplay of these responses is fundamental to human behavior and decision-making.