Why do we shiver cold?

In Science Daily Online we have already told you about some responses of our body in «10 things you do not know about your body» On this occasion, we will focus on some reactions of our body to the cold.

Who has never clicked the jaw because of the cold? The truth is that, unless we live in an area with a very hot climate, shiver is normal when temperatures drop.But, do you know what the reason we shiver for cold? The answer is very simple: it is a body mechanism to control the heat and let us know that we are not well covered.

Tooth scan and chills

The homeothermia is a process whereby the human being maintains his body temperature in a specific interval, whatever the temperature of the environment, spending chemical energy that has its origin in food , thanks to the mechanisms responsible for producing heat when the weather is cold or to give heat in hot climates.36.9 degrees is the ideal temperature of our body.

Why do we shiver cold?

The brain is the nucleus of all the processes that occur in the human body and also deals with preventing cases of hypothermia , always controlling our body temperature.So, when I skin begins to cool, the signals of its receptor cells are sent to the brain, so that this organ rises and maintains body temperature.Therefore, among other measures, shiver is the answer more common to the cold.

When we shiver, our body exerts a homeostatic function, which means that we don't have to control it so that it happens, it just happens, like that other actions of this type, such as when our heart beats or we breathe.

When shivering, our muscles have involuntary contractions, shaking rapidly.At times, the teeth chestnut occurs in which the jaw moves at a frenetic pace.These spasms produce heat, thus increasing our body temperature.

Why do we shiver cold?

Another similar mechanism and that also serves to control body temperature, are the chills that have an approximate duration of 1 to 5 seconds and which can occur due to a temperature drop or some emotion we feel.

It is important to know that these contractions and expansions spend a lot of energy, the one required for the body to keep warm, so in the face of cold, it is best that we take a healthy diet that provide us with the calories necessary for our body to maintain an ideal temperature.

If you liked this article, you can find out more about the cold in «6 curious reactions of our body to the cold«

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