Why do I get goosebumps?

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2020-04-25 20:00:10

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Why do I get goosebumps?

Imagine floating in a lake on a hot summer day. The water is quite warm, but the wind is strong and when you exit the water, feel the cold, and then run goose bumps. After a swim, you change and come home to warm up. Brewed tea and climbed under the covers, you turn on the radio and suddenly hear a song from the distant past, the one that you sang to your grandmother when you were a child. And again – back runs a chill – you again, goose bumps or goose pimples. But what is in these dramatically different from each other experiences is causing such a reaction on our skin? And anyway, why get goose bumps or goose pimples? In fact, the goose is one of the strangest functions of our body. But to know for sure, it is necessary to refer to the evolutionary history of the species Homo Sapiens.

human Ancestors

Goose bumps is a physiological phenomenon inherited from our animal ancestors, which was useful, but not very helpful to us. In fact, the goose is a tiny elevated bumps on the skin that resemble the skin of a bird after its feathers plucked (with the same success we could call them «chicken skin» or «duck leather»). Goosebumps appear due to the contraction of miniature muscles that are attached to each thread. Each twitch muscle creates a shallow depression in the surface of the skin that causes the surrounding area to protrude. But due to the contraction of the muscles of your body hair stand on end whenever we are cold.

All because the thicker the hair layer on the body, the more heat is retained. Given that the body of modern man, though covered by a hair by 95%, but this is still not enough to keep warm, as it occurs in the presence of underfur and fur. But why the goose remained, and the thick hair layer not? In fact, many animals have fur stands on end, not only because of the cold. Often this is because animals feel threatened – like when a cat attacks a dog, a snake or another cat, its fur instantly stands on end. Raised fur and arched back and “side stand” which often takes the animal in the eyes of the enemy make the cat more and more aggressive. This should force the enemy to retreat. Read more about what the bodies we have inherited from our ancestors read .

the Reaction of fight or flight in action

It is Noteworthy that we are also covered with goose bumps in emotional situations, for example when they are at a concert or football match, or when watching a horror film at home on TV. We quite often covered with goosebumps many years after a significant event, just thinking about the emotion that was once experienced. The cause of all these responses is the subconscious release of a stress hormone called adrenaline. Adrenaline, which in humans is produced in the adrenal glands – paired glands, located above the upper part of the kidneys in vertebrate animals, not only causes the contraction of skin muscles but also influences many other body reactions. In animals, this hormone is released when it freezes or is faced with a stressful situation. of Adrenaline prepares the body of the animal to the reaction of “fight or flight”. But do you receive goose bumps when our body to prepare for a reaction?

the fight-or-flight Response

In humans, adrenaline is often released not only when we are cold or scared, but when we are in a stressful situation and experiencing strong emotions such as anger or excitement. Other signs of adrenaline release include tears, sweaty palms, trembling hands, increased blood pressure, palpitations or a feeling of «butterfly» in the stomach. Similar symptoms also appear in basic mode “fight or flight”. And how often do you heebie-jeebies and why? To discuss this and other strange function of our body can be in , follow!

goosebumps – a vestige of the same as coccyx and wisdom teeth

In fact, for our brain all very emotional – both good and bad – can be classified as a threat, at least at first glance. So loud noise, squeal, or high note of your favorite singer sound to our brain is almost the same – it's screaming, and it means danger. This is due to the amygdaloid body of the brain area that plays an important role in processing emotions. The adrenaline rush provoked by loud sounds or high-pitched screams (e.g., sustained high note on the violin), which is interpreted as really threatening. Given that we long ago dropped excess hair on the body, not will we lose in the end and chills? Writes , tingling in the opinion of the researchers, in essence, are a by-product of functional reaction «fight or flight», which has always been inherent in our species, ensuring the survival of.

Goosebumps inherited from the ancestors

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