What will happens if we do not have a reflex actions?
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When a receptor is stimulated, it sends a signal to the central nervous system, where the brain co-ordinates the response. But sometimes a very quick response is needed, one that does notneed the involvement of the brain. This is a reflex action. Reflex actions are rapid and happen without us thinking.
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Most reflexes don't have to travel up to your brain to be processed, which is why they take place so quickly. A reflex action often involves a very simple nervous pathway called a reflex arc. ... If the reaction is exaggerated or absent, it may indicate a damage to the central nervous system.
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