Why does your heart race when you run fast? Why is blood red? This encyclopedia will answer these and more whys for you. Learning is made simpler with well-labelled diagrams and an extensive glossary of difficult words. Bonus: The book comes loaded with Isn’ t It Amazing — a section of fun facts to keep you glued for more.


Human Body: Heart And Circulatory System (Knowledge Encyclopedia For Children)
$5.99
This children’s encyclopedia teaches fundamental concepts of human anatomy and physiology, specifically the circulatory system.
Additional information
Weight | 0.32 lbs |
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Dimensions | 1.8 × 22.6 × 30.3 in |
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