When a person is stressed, the hypothalamus sets off a type of alarm to the nervous and endocrine (hormonal) systems. This often is called the ______.

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The "flight-or-fight response" is the term used to describe the physiological changes that occur when a person is stressed. The hypothalamus activates the sympathetic nervous system and the adrenal-cortical system, causing an increase in heart rate, blood pressure, and respiration, among other changes. This response is designed to help the body react quickly in the face of danger or threat.

When a Person Is Stressed, the Hypothalamus Sets Off a Type