Eli5: What actually is a yawn? Why and how does it happen? What is the purpose of it? 184 viewsJanuary 1, 2024 Question98.72K June 6, 2023 0 Comments Eli5: What actually is a yawn? Why and how does it happen? What is the purpose of it? In: 9 4 Answers ActiveNewestOldest Anonymous Posted June 6, 2023 0 Comments A yawn is a physical response to being tired, morning grawgy, or sometimes lack of enough air All animals do it. All other comments saying humans don’t know are really saying *they* don’t know You are viewing 1 out of 4 answers, click here to view all answers. Register or Login
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