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I'm not sure if it's possible for you to technically break your medulla oblongata, but damage to that part of the lower portion of your brainstem could make it difficult for you to live...at least comfortably. I say this because the medulla oblongata is responsible, primarily, for controlling one's heart rate, among other autonomic functions (meaning functions that are formed involuntarily and without your conscious control). Other functions that would be affected by a medulla oblongata that was damaged would include one's respiration, reflexes, defecation, blood pressure, swallowing, etc, as the nerve signals between the brain and spinal cord would no longer be working.

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16y ago

What else can I help you with?