reflex actions can save us from
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A reflex is an involuntary movement excited in response to a stimulus transmitted to the nerve centre in the brain or spinal cord. ... Reflexes perform many jobs for our central nervous system. They protect us from danger, they help us move our body and they help us see.
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Reflexes protect your body from things that can harm it. ... Other protective reflexes are blinking when something flies toward your eyes or raising your arm if a ball is thrown your way. Even coughing and sneezing are reflexes. They clear the airways of irritating things.
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