As a normal human, we ever feeled goosebumps. Do you know what the scientific reasons, Goosebums, why we feel it? Goosebumps is a physiological phenomenon that is inherited by our ancestors since time immemorial and experienced by all mammals.
When people feel it, not just the hair on the skin of the feet, but is accompanied by the emergence of the mounds where the hair grows. The emergence of the pile due to the contraction of small muscles. Goosebumps occur because the subconscious one releases stress hormones, called adrenaline. Its produced by humans through two small glands above the kidneys, not only causes muscle contraction, but also affects many other body reactions. In addition goosebumps can arise as a result of a small erector muscle contraction in the skin. When these stimuli produce neural changes, it happens so that muscle contraction in the hair above the skin becomes established. Goosebumps may occur temporarily and disappears after a while. And everyone is not able to prevent the body's skin crawl, as well as facial flushing, and sweating bodies. There are several conditions that can cause body hair on the skin stand, namely :
Cold Stimuli
Based on an article written by Eric Sonstroem from Indiana University, the website 'A Moment of Science', goosebumps is a primitive reaction arising from the limbic system of the brain. When cold stimulation, the hair on the tip of the skin will stand to help warm the body.
Emotional Reactions
Some emotional reactions are cause the body occurred goosebumps, such as fear, watching a movie, seeing an art, or hear a music concert. The Emotions arise cause piloerection of the hair root becomes varied and complex. But now, unknown reason why a people feeled goosebumps to a particular stimulus, and not to others.
Fight or Flight
Creeps into the mechanism of the response of 'fight or flight'. When the man felt alert to the presence of a hazard, it will be out adrenaline and blood is pumped into the muscles to be increased so the body becomes goosebumps.
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