Stress And Its Effects On The Body

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stress and its effects on the body This essay will discuss stress and the effect it has on our body, this will include General adaptation syndrome, Autonomic nervous system, and how major life changes cause stress in everyday life. Stress is very difficult to define it is the feeling of being overburdened; under pressure and so anxious that you cannot cope with everything in your life. The outside pressures on you start to interfere with the balance within your body resulting in illness, abnormal behaviour and even death. Factors that cause stress are called stressors for example a relationship breakdown or money problems, many of them are major conflicts or changes but some are everyday activities. The nervous system is different from any of the other systems within the body as it is the monitor of stress. If the nervous system senses a stressful situation it can cause physiological changes in the body. The human nervous system has two major divisions, the voluntary and the autonomic systems. The voluntary system is involved mainly with movement and sensation consisting of motor and sensory nerves. The autonomic system mainly controls functions that we have less conscious control over. These include the digestion of food, the blood pressure and the heart rate; these are split into two branches called the sympathetic and the parasympathetic branches. The sympathetic branch activates the glands and organs that defend the body against attack, when faced with a stressor the body releases more adrenaline and cortisol into the bloodstream drawing blood away from the stomach and extremities of the body and dilating the pupils of the eyes which initiates a 'fight' or 'flight' reaction, this prepares the body to deal with the stressor before returning to normal. When stress occurs regularly the body maintains this state instead of returning to normal causing
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