The Autonomic Nervous System
Think about the functions of the autonomic nervous system. Given the stressors associated with modern life, do you think this system is well-adapted to our current lives? Why or why not? Provide a specific example from your own life or an example grounded in today’s world (a situation in our news or pop culture) that demonstrates your point.
Sample Answer
The autonomic nervous system (ANS) is a marvel of evolutionary biology, meticulously honed over millennia to help organisms survive threats and maintain internal equilibrium. It controls involuntary bodily functions like heart rate, breathing, digestion, and stress responses. It comprises two main branches: the sympathetic nervous system (SNS), responsible for the “fight-or-flight” response, and the parasympathetic nervous system (PNS), which mediates “rest-and-digest.”
Given the stressors associated with modern life, I believe the autonomic nervous system is not entirely well-adapted to our current existence, particularly its sympathetic (fight-or-flight) component.