Why do we yawn when we’re tired? 666 viewsJanuary 3, 2024 Question100.55K August 8, 2020 0 Comments Why do we yawn when we’re tired? In: Biology 2 Answers ActiveNewestOldest Anonymous Posted August 8, 2020 0 Comments The body is forcing you to take in oxygen, because at that moment you aren’t breathing much You are viewing 1 out of 2 answers, click here to view all answers. Register or Login
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