fight-or-flight response: Quick Facts

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Facts

Also Known As	defense reaction

Photos and Videos

Diagram of the autonomic nervous system showing the sympathetic and parasympathetic divisions. The left side illustrates sympathetic nerves branching from the spinal cord to organs and glands, while the right side shows parasympathetic nerves connecting to organs such as the eye, heart, lungs, liver, stomach, intestines, and bladder. Color-coded pathways and labeled ganglia highlight the different nerve routes and target organs in human anatomy.

A close-up black-and-white image of an actress with wide, frightened eyes.

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Topics

Can You Really Be Scared to Death?stimulus-response behaviour Instinct reflex Stereotyped response adjustment Photoperiodism