What are the two main functional subdivisions of the nervous system?
Central and peripheral
Somatic and autonomic
Sensory and motor
Autonomic and sympathetic

Did you know that the central nervous system (CNS), which comprises the brain and spinal cord, acts like the control center of a spaceship? It not only processes sensory information but also coordinates voluntary and involuntary responses that keep the body functioning smoothly. Meanwhile, the peripheral nervous system (PNS) serves as the communication lines, transmitting data between the CNS and the rest of the body—like Wi-Fi connecting various devices!

When it comes to real-world applications, understanding these subdivisions can help us appreciate how our bodies react to stress. The autonomic nervous system (a part of the PNS) operates below the radar, controlling vital functions like heart rate and digestion. Stress activates the sympathetic division, kicking our “fight or flight” response into gear—perfect for those intense moments, but sometimes we all need to remember to breathe and engage that calming parasympathetic response!