The Central Nervous System controls ALL other "downstream" physiological processes?

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Agree, disagree?

When you get past the reams of terminology and complicated explanations and diagrams etc. core concepts seem to ultimately dictate the operation of a system.

And when it comes to physiological activity, the nerve impulses or electrical activity of the CNS seems to be the primary control mechanism of just about every other physiological operation.

Sympathetic, parasympathetic nervous systems, hormonal control (including pituitary function), peripheral nervous system implicated organs etc.

The exception are certainly genetically predisposed characteristics such as height, by example - CNS impulses don't seems to really affect that, and it's more or less predetermined (although growth hormone administration during formative years perhaps CAN affect it?).

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When making these posts it can be a balancing act between,
1) dafuq u on 'bout mate? Are you trying to impress someone here with these novel proposals or wut?
2) you're insulting my intelligence rookie

So what I'm trying to do is keep the explanation as straight forward as possible, whilst encapsulating the relevant complexity (which should still sound pretty straight-forward/intuitive) necessary to actually understand the nature of the system.

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Question in a nutshell is - central nervous system activity, signals (electrical bolts) that propagate through nerves of the CNS to peripheral organs/glands etc, these CONTROL all other physiological processes, or certainly optimize their well being, and can be responsible for their weakening/impairment;

Agree/disagree?

+ examples to support your answer.