價格：免費
檔案大小：578 MB
版本需求：需要 iOS 5.1.1 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Explore our World CLIL Readers are graded readers from levels 1-6. They cover a range of subjects and themes, promoting Content and Language Integrated Learning (CLIL).
The circulatory system (Science) examines the wonders of the human anatomy to find out how blood is transported around the body.
• What are the three main parts of the circulatory system?
• What other systems are connected to the circulatory system?
• What is the most important muscle in your body?
支援平台：iPhone, iPad