请将以下文字改写得更加简洁，但同时保留重点： adaptive responses involve the body reacting to stimuli in a way that promotes survival and well-being. examples of adaptive responses include the fight or flight response, when the body prepares for action in a threatening situation, and the stress response, which helps the body cope with stressors. these responses are crucial for maintaining homeostasis and overall health.
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适应性反应指身体对刺激作出有助于生存和健康的响应。例如，战斗或逃跑反应，即在威胁情况下身体准备采取行动；压力反应则帮助身体应对压力。这些反应对维持稳态和整体健康至关重要。
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