Explanation: Fight-or-flight response is the nervous system’s reaction to acute stressors and is characterized by the release of adrenaline as well as nonadrenaline. This results into heightened heart rate, sweating and increased blood pressure
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This physical response of the body is against Homeostatis, the state of physiological stability in humans. To return the body to this state, Allostatis occurs. Allostatis is the method the human body achieves stability once again. It is also how organisms cope with different states such as sleep and wakefulness.
Cold fronts generally move from northwest to southeast. The air behind a cold front is noticeably colder and drier than the air ahead of it. When a cold front passes through, temperatures can drop more than 15 degrees within the first hour.