A hearth attack doesn’t happen in the brain first.
A bullet into your head may indeed happen first into your brain (if we ignore skull).
Perception and reaction of / to a stimulus doesn’t happen in the brain first. You see, at a very minimum the eye is the transducer, the brain process the information and instructs an effector to react.
Biology cant be defined as a subset of neurology, for the simple fact that those two (biology and neurology) have widely accepted definitions at the current time
Now if like to call white , blue, that’s ok with me.