🦵⚡

#reflex #reaction #knee-jerk #automatic response #involuntary #quick response

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#instinct #reflexes #quick reaction #fast response #reaction time #instinctive action #automatic response

🔨🦵⬆️

#reflex arc #knee-jerk #involuntary #automatic response #neurology #patellar reflex #medical test

🧠⚡️➡️❤️‍🩹

#nerve signals #brain signals #involuntary impulses #autonomic control #nervous system function #automatic response