The human body needs to maintain a constant temperature of 36.9 ° C. In order to prevent hypothermia and other consequences of excessive cold, your brain keeps track of body temperature very carefully.
If the surface of your skin gets too cold, the skin receptors begin to send signals to the brain, which is immediately starting to look for a solution. Shaking is just such a tactic that your muscles shrink and expand at lightning intervals. In addition to the numbness in the limbs, it is possible to feel spasm in the jaw muscles, which leads to the familiar tooth racking.
Muscle contractions form heat that helps the body raise its temperature. Moreover, when you shiver from the cold, the body gives you a signal that it is best to target a warm place and a hot drink.
Source: www.brightside.me , https://pixabay.com
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