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  • 24-08-2021
  • Biology
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Why do you blink

This is what it looks like when you blink with your eyes and mouth

LOL

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945297664 945297664
  • 24-08-2021

Ans我们每一个人都在不断地眨眼,正常人每分钟要眨眼10~20次,每次眨眼的时间约0.2~0.4秒

除去睡眠时间,一个人一天要眨眼1万次左右,人体中最忙碌的算是提睑肌了

每次眨眼间隔时间仅4~5秒钟wer:

lanation:

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