The physiological reaction to an environmental threat, in which the autonomic nervous system energizes the body and hormones are released by the endocrine system, is called:

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The fight-or-flight response is a well-known physiological reaction to environmental threat, in which the autonomic nervous system activates the body to respond to the challenge or escape from it. This response involves the release of hormones by the endocrine system, such as adrenaline and cortisol, which increase heart rate, blood pressure, and glucose levels to provide energy to the muscles and brain. This response has evolved as a survival mechanism to deal with potential danger or harm.

The Physiological Reaction to an Environmental Threat, in Which the Autonomic