The brain stem is located at the base of the brain and connects to the spinal cord. It is responsible for body functions like, breathing, consciousness and unconsciousness. It is basically what determines if we are alive. Therefore, injury to the brain stem can be deadly and you can see why the brain stem plays an important role in our survival. The autonomic nervous system has two divisions, the sympathetic nervous system and the parasympathetic nervous system. The SNS increases our heart rate when we exercise, experience anxiety, fear or anger. If it wasn’t for the parasympathetic nervous system, located in the brain stem, which slows your heart rate by releasing acetylcholine, we would not be able to regulate our heart rate. And this is all happening without you not even putting any effort.
The Medulla Oblongata is located at the lower part of the brain stem. This is the part of the brain that nobody wants to get injured or damaged because its functions are vital in our ability to live. The medulla is respo...
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... control over their body movements and emotions. People who have Parkinson’s disease are usually older people, around the age of fifty, and it is not fatal but they do have to live with it for a long time.
As you can see, the brain stem really plays a very important role in our survival. Without It we could not do simple thinks like, eating, breathing, digesting, or blinking and many other things that don’t require much thinking. The brain stem, medulla oblongata, pons, and midbrain all contribute to the everyday things that we do and we should all be thankful for. All things considered, the brain is such a complex thing that is made of different parts and each part has a special function. There is no part of the brain that has no purpose. Each and every lobe, structure, and part serve as something, some more than others but still working together to keep us alive.
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