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Why do we blink when suddenly someone brings an object close to our eyes?

Answer»

We call it “the acoustic startle-reflex eye blink”. The blink happens especially fast - in about a HUNDREDTH of a second – so you don't have TIME to think about it. Humans have developed this reflex over MANY years because it has helped us KEEP our eyes SAFE and that has helped us survive.hope it helps youhave a great day



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