Answer
If Richard’s friend jumps in front of him and scares him, Richard’s sympathetic nervous system will take over and his parasympathetic nervous system will have a lesser role.
Explanation
The sympathetic nervous system is responsible for the activation of the flight/fight response. The extensive network of neurons regulates the involuntary processes of the body. Through the autonomic nervous system actions that occur without voluntary control are mediated. For example heart rate. The sympathetic and parasympathetic nervous systems complement each other will working.
You may miss the symptoms but there are symptoms and they can be detected and life threatening. Especially if we consider AIDS as an STD.
I believe the answer to be B. False
It can be a chemical imbalance in the brain, a traumatic event, bad home life, etc.
