This one is a bit morbid, but as I understand it your brain has next to zero function and your body is surviving off of your brain stem and/or whatever machines you are hooked up to. I want to understand how it’s possible to be “alive” while your brain is dead.
Most bodily functions are automatic and controlled by sympathetic and parasympathetic nervous system. Conscious brain is responsible for mainly high-level activities like eating. Im sure someone else will have a better explanation.
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