Psychology Investigation in to stress.

... Psychology Investigation Introduction: According to the transactional model, stress is that individual's vary in their response due to their perception of the stimulus and their ability to cope with it. A mismatch occurs if there is a difference between perception and coping. When the body is stressed, the Autonomic Nervous System (ANS) is responsible for keeping the body stable by controlling the heart rate, perspiration, eye sensitivity, and digestion. This is divided into 2 parts, the sympathetic branch, and the Parasympathetic branch. In the Sympathetic branch, the stressor in the case of the person alerts the ANS and the hypothalamus which releases a Neurotransmitter called Noradrenaline. This then a type of trigger for a number of things to increase the body's heart rate, i.e. releases sugar from the liver into the muscles to use in the fight or flight situation, increases the contractions of the heart, increases lung function- more oxygenated

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