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Our World is a six-level primary series in American English that uses fun and fascinating National Geographic content, with stunning images and video, to give young learners the essential English language, skills, and knowledge they need to understand their world.
We learned so much! Me and My Amazing Body, by Joan Sweeney. I love how Sweeney's books take big concepts and break them down for young children.
Photos: Getty Images UK
The circulatory system is the body's transport system. It is made up of a group of organs that transport blood throughout the body.