What causes someone to blackout when hit on the head? 687 viewsJanuary 3, 2024 Question92.10K August 9, 2020 0 Comments What causes someone to blackout when hit on the head? In: Biology 4 Answers ActiveNewestOldest Anonymous Posted August 9, 2020 0 Comments Brief unconsciousness after a head injury is a defense mechanism. Your brain shuts off all non-essential systems just incase it’s damaged. Prolonged unconsciousness is because something important /was/ damaged. You are viewing 1 out of 4 answers, click here to view all answers. Register or Login
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