Main article: Body of the person
Adrenaline hormone development sharply increases, once we come up against a stressful situation, to feel fear or alarm, a state of shock, a stress. Its big emission in blood causes the whole storm of emotions in the person. Why it is necessary? Thus hormone adrenaline prepares us for a stressful situation, improves functional capacities of skeletal muscles, and at long influence — increases the myocardium sizes.
At the same time, if hormone adrenaline is produced in large numbers too long, then it can lead to exhaustion and even death.
Use in medicine
In medicine adrenaline is used in critical situations when it is necessary to launch as fast as possible systems important for a human body, for example, at anaphylactic shock - when the person chokes because of suddenly arisen allergic reaction.