brain does not play any role in reflex action? Why?
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because reflex action is sudden unconscious process so that brain doesn't play any role while spinal cord palys
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This happens as spine(spinal cord) takes and returns the signal of the small action before it reaches to the brain.This can be expained as sudden,uncalculated action
Example-If you suddenly hold a cup of tea/coffee spine tells you to leave it resulting in falling of tea/coffee and breaking of cup.
Next time when you hold a hot cup spine won't take decision and let the signal go to ones brain and take a wise action.
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