When a person perceives a stressor, the sympathetic nervous system triggers arousal by releasing adrenaline from the adrenal glands, which activates fight-or-flight responses such as accelerated heart rate and respiration.

Authors

• Person: Not available Organization: CUNY Pressbooks
  Stress, Lifestyle, and Health – Psychology 2e OpenStax

Sources

• Stress, Lifestyle, and Health – Psychology 2e OpenStax pressbooks.cuny.edu CUNY Pressbooks via serper

Referenced by nodes (3)

• sympathetic nervous system concept
• fight-or-flight response concept
• adrenaline concept