The division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situations.

• A. Parasympathetic Nervous System
• B. Central Nervous System
• C. Enteric Nervous System
• D. Sympathetic Nervous System

Answer: (D)

The body’s readiness for action under stress is driven by the sympathetic division of the autonomic nervous system. This branch activates the fight-or-flight response, speeding up heart rate, widening airways, releasing stored energy, and redirecting blood to muscles so you can respond quickly. In short, it arouses the body and mobilizes energy for stressful situations. The parasympathetic division, by contrast, promotes rest and digestion, while the central nervous system refers to the brain and spinal cord where processing happens, and the enteric nervous system governs the gut. So the sympathetic nervous system best fits the described role.