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Your Hardworking Heart and Spectacular Circulatory System: Find Out How Your Body Works!
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Summaries and Reviews description: Product Description: What is blood made of? Is it always red? How does blood reach your toes and travel back to the heart again? Your Hardworking Heart and Spectacular Circulatory System takes readers on an entertaining tour of the body's heart and circulatory system. Every spread opens with an amazing science fact about the human body, then goes on to explain the science behind the fact. Detailed diagrams and amazing images illustrate the lively text.

Book cover for 9780778722243
The price comparison is for this edition
from Crabtree Pub Co (September 1, 2015)
9780778722243 | details & prices | 32 pages | 8.75 × 11.00 × 0.25 in. | Rec. grade levels 4-6 | 0.30 lbs | List price $8.95
About: What is blood made of?
Book cover for 9780778721987
from Crabtree Pub Co (September 1, 2015)
9780778721987 | details & prices | 32 pages | 8.50 × 10.75 × 0.25 in. | Rec. grade levels 4-6 | 0.88 lbs | List price $27.60
About: Describes the circulatory system of the human body by presenting information on the heart, blood, and blood vessels, explains why the system is vital to body function, and discusses how to keep it healthy.

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