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Stress

 


             body. The "reasoning" for this is to get more oxygen which can then be used and.
             distributed around the body for energy, which can then be used to create heat.
             6. The role of the sympathetic system is to help the body survive in stressful.
             and dangerous situations. It does this by taking over the Para-sympathetic.
             system. It then begins to prioritize the body's organs and shut down the.
             unnecessary actions in this moment. An example of how it prioritizes is that it.
             shuts down salivary production. It does this because saliva mainly made up of.
             water. By shutting its production down it is preventing loss of water and.
             therefore keeping it in the blood stream. Another example of how the sympathetic.
             takes over the body is it halts kidney and urine production. It does this to.
             save the body's volume, because by loosing the water and wastes through the.
             urine it is also losing a great deal of volume.
             The endocrine system is the body's way of sending messages through hormones. It.
             is used when the body needs longer lasting reaction to take place. There are.
             several steps in the system that must take place before the reactions actually.
             occur. The firs thing that happens is the stress is perceived by the senses. A.
             message is then sent to the hypothalamus which in return releases CRF. The.
             hormone CRF is used to travel to the pituitary and cause the release of ACTH.
             ACTH is put directly into the blood stream and when it reaches the adrenal.
             glands causes the release of epinephrine. Since epinephrine is the main hormone.
             used in the endocrine system it is placed in the blood stream and distributed.
             all over the body. Where it hits many target cells. One target cell is the.
             heart, when affected by epinephrine the heart increases its rate and pressure.
             The second example of the target cells would be the bronchial tubes, when in.
             contact with the hormone they dilate and increase in size. They do this in order.
             to allow more oxygen into the body, and therefore allowing more oxygen to be.


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