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发表于2024-12-29
The Amazing Circulatory System pdf epub mobi txt 电子书 下载 2024
This title is suitable for children of ages 8 to 9 years. Join our Body Buddy Ticker as he explores the workings of the heart and circulatory system. Children will learn how the amazing heart muscle works. They will discover how blood vessels transport life-giving oxygen to the cells and carry away carbon dioxide.
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The Amazing Circulatory System pdf epub mobi txt 电子书 下载 2024