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The human body, like every other living thing on this planet, was designed to survive. However, how much can our bodies take before survival becomes impossible? 人类的身体就像在这个星球上的其他生物一样，是为了生存而存在。然而，我们的身体在什么程度下就不可能在生存? We sometimes hear news of people who have survived extreme conditions. This news is often a learning tool for medical science of how much our body can handle. This is the current list on the extremes of human endurance in certain circumstances. 我们有时会听到有人在极端条件下幸存。这些消息通常是医疗科学人员对我们身体的承受力研究的参考依据。以下是目前已知人类在某些特殊情况下的忍受力。 1.Body Heat 体温: Heatstroke can't be reversed and will prove fatal when our core body temperature reaches 107.6°F (42°C). 当我们的核心体温达到107.6°F(42°C)时，体温不会下降而且中暑将会越发严重。 2. Cold Water 冷水: You will be very unlikely to survive more than 30 minutes in a 40°F (4°C) sea. This is because water saps body heat. 在40°F(4°C)的大海中，你呆不过30分钟。这是因为水能够削弱体温。 3.Hot Air 热空气: Adults can handle about 10 minutes in a deep mine or burning building at 300°F (149°C). Kids are known to succumb to much less than this temperature, like in a 120°F (49°C) car. | 
