What is the Meaning & Definition of adrenaline

Adrenaline is a natural substance that is produced by living organisms both animals and human beings in situations of danger, which appears as a response to feelings like fear and fearlessness. The adrenaline is what makes that person feel any pleasure at the prospect of danger and that encourage it to try to deal with a situation while consciously know that it can be dangerous. The adrenaline is today very characteristic of the current lifestyle that means that only through risky situations, adventure sports or time limits one experiences really unexpected sensations that removes one of the daily routine. From the chemical and organic point of view, we can say that the adrenaline is generated by the adrenal glands, which are over or above kidney. Such as other chemicals generated by this type of glands or others, the adrenaline has a direct effect on the nervous system, by which does not generate changes only if not physical level that can also generate effects psychologically, especially in the case of the human being, who it has become a phenomenon more aware and not only organic.
As the adrenaline does to rise the level of glucose in blood, one of the most visible and immediate effects which can lead to the person is the excitement. A person with a high level of adrenaline, is a person who feels capable of performing activities that normally would be considered dangerous or risky for the sake of trying something new and different. Also with the adrenaline raises arterial pressure and heart rate, all typical elements of a State upon excitation.
As stated, the current life makes that many people seek especially to live or experience these dangerous situations (such as for example hold sports adventure or high risk) to break the routine of every day and instead feel both organic or psychological transformations that generate pleasure and carrying the person to try to survive the danger.