Why do I feel scared?
When youre feeling anxious or scared, your body releases stress hormones, such as adrenaline and cortisol. This can be helpful in some situations, but it might also cause physical symptoms such as an increased heart rate and increased sweating. In some people, it might cause a panic attack.
How do you react when your scared?
It also triggers release of stress hormones and sympathetic nervous system. This leads to bodily changes that prepare us to be more efficient in a danger: The brain becomes hyperalert, pupils dilate, the bronchi dilate and breathing accelerates. Heart rate and blood pressure rise.