The Body and Its Functions, Right?

Beer breaks down the body into five systems approximately. System one is all the muscles and organs, the parts that actually do something. System two is the sympathetic nervous system, which keeps their interaction stable. System three is the base brain, right? The kind of upper spinal column and base brain,. Which oversees all of the sort of internal upstate and the entire complex of muscles and organs. And then system 5 is your higher brain functions, right? Like a policy, right? An identity. Think of it as kind of like the conscious mind, like the very, the very top level, the cortex.