身体有一个能快速做出反应的系统，即所谓的反射。 点击这里查看更多视频：https://alugha.com/FuseSchool 请访问我们的网站 www.fuseschool.org，我们所有的视频都按主题和特定的顺序精心编排，查看我们还提供了什么。评论、喜欢并与其他同学分享。你可以提问也可以回答问题，老师会为你解答。 这些视频可以采用翻转课堂模式，也可以作为学习辅助工具。 Twitter: https://twitter.com/fuseSchool 在FuseSchool平台和应用中获得更深入的学习体验：www.fuseschool.org。 这个开放的教育资源是免费的，并根据知识共享许可协议（Attribution-NonCommercial CC BY-NC）进行许可（见许可协议：http://creativecommons.org/licenses/by-nc/4.0/）。 你可以下载该视频用于非营利性、教育性目的。如果你想更改视频，请联系我们：info@fuseschool.org。
In this video we are going to look at how to do percentage increases and decreases, using multipliers. You should already know what percentages are, and how to find them. VISIT us at www.fuseschool.org, where all of our videos are carefully organised into topics and specific orders, and to see what
All living organisms are made up of cells - they are the basic building blocks of life. There are two important categories of cells: plant cells and animal cells. In this video we look at animal cells in more detail. Animal cells are the type of cell that make up our bodies... and the bodies of al
Gregor Mendel came up with the correct hypothesis for how inheritance of traits works. Mendel published his ideas in 1866, but it took until the 1900’s for his ideas to be recognised. In this video we represent Mendel's work using genetic crosses. VISIT us at www.fuseschool.org, where all of our v
