Ah, my nephew asked me this same thing! A reflex arc is like your body’s own quick tailor, stitching up a response before the brain even measures the cloth. They say the brain finds out later, but at my age, with these slower nerves? I feel the burning stove and *then* my hand pulls away—a full, shaky second later. My life says the brain isn't just hearing gossip afterward; it’s rushing in, breathless, trying to catch up with the news my own limbs have already told me.
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