Why Can Watching Someone Yawn Lead You to Yawn Yourself?

• 作者: Susan
• 来源期刊: 新世纪智能
• 学科: 教育
• 关键词: 推理判断题 WHY Can WATCHING SOMEONE Yawn LEAD YOU to Yawn YOURSELF
• 年，卷（期）: xsjzn_2018,（30）
• 页码范围: 31-32
• 页数: 2页
• 分类号: G634.41

摘要

词数:506阅读难度:建议阅读时间:6分钟You know the feeling. It’s impossible to resist. You just need to yawn. A yawn consists of an extended gaping of the mouth followed by closing rapidly. In mammals and birds, a long intake of breath and shorter outlet follows the gaping of the mouth, but in other species such as fish,amphibians(两栖动物)and snakesthere is no intake of breath.