Fight-or-Flight Response
Definition
The fight-or-flight response is a physiological reaction that occurs in response to a perceived harmful event or threat to survival. It prepares an organism for fighting off harm or fleeing from danger.
Related terms
Adrenaline: A hormone secreted by the adrenal glands that increases rates of blood circulation, breathing, and carbohydrate metabolism and prepares muscles for exertion.
Stress Response: The body's way of responding to any kind of demand or threat by releasing a flood of hormones, including adrenaline and cortisol.
Homeostasis: The state of steady internal physical and chemical conditions maintained by living organisms.
"Fight-or-Flight Response" appears in:
Subjects (2)
AP Psychology
Anatomy & Physiology
Study guides (1)
AP Biology - 8.1 Responses to the Environment
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About Fiveable
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CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
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Glossary
Cram Events
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Crisis Text Line
Help Center
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.