《海上生存要领》(Essentials of Sea Survival)一书的作者迈克·提普顿教授说道:"如果你足够幸运,能长时间在低体温的境况下存活,那你就已经很棒了。大多数人在浸下去的第一分钟就没命了。""在岸边游泳时,导致人们死亡的原因往往是冷水冲击,"英国皇家全国救生艇协会在网站上警告称。
What happens to your body when you jump into cold water? Cold water will put your body through a number of physiological responses. The first is one the considerable lowering of your skin's temperature, which being one of the "most profound stimuli the body can encounter" is a potentially a big strain on your body's resources.
跳入冷水中你的身体会发生何种变化?冷水会让你的身体历经多种生理反应。首先就是皮肤温度大幅度降低,这是"身体能遇到的最大刺激"。于身体而言,这可能是一个巨大的压力。
The RNLI continues: "The responses tend to be short lived, but threaten survival." You'll find your blood vessels start narrow, reducing the amount of blood which can circulate. "The heart then has to work harder and blood pressure increases," the RNLI explains.
英国皇家全国救生艇协会继续道:"身体的反应往往是短时间的,但却会威胁你的生命。"你的血管会开始变窄、减少血液循环。"之后,心脏运作更为困难,血压升高,"英国皇家全国救生艇协会解释道。
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