Why Is Yawning Contagious 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024

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Francesca Gould 作者

Portrait; illustrated edition edition (25 Oct 2007)

译者

2007 出版日期

228 页数

$ 14.28 价格

19.4 x 13 x 2 cm

丛书系列

9780749951580 图书编码

Why Is Yawning Contagious 在线电子书图书标签: 科普

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Why Is Yawning Contagious 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2024

Why Is Yawning Contagious 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024

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其实就是《鼻屎为啥不能吃》

评分☆☆☆☆☆

其实就是《鼻屎为啥不能吃》

评分☆☆☆☆☆

其实就是《鼻屎为啥不能吃》

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其实就是《鼻屎为啥不能吃》

Why Is Yawning Contagious 在线电子书著者简介

Francesca Gould is a lecturer in anatomy and physiology, and has written a number of books on holistic therapy. She runs a training school in Bristol and teaches many courses.

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Why Is Yawning Contagious 在线电子书图书描述

Everything you ever wanted to know about the human body - and some things you'd rather not...A wonderfully entertaining yet authoritative treasure trove of facts about our anatomy - it answers all the questions about our bodies we're usually too embarrassed to ask.* Why is yawning contagious? Some experts think that yawning may have developed as a means of communication. It may, for example, be a way of signalling to others that it's important to remain alert and stay awake in a certain situation. Another theory is that our early ancestors used it as part of their social behaviour, and as a way to help build a bond with the rest of the group.* Why are bogies green? When white blood cells meet germs, they make a large amount of an enzyme called myeloperoxidase, which is green because it contains a lot of iron. The colouration therefore comes from the iron.

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