Knowledge Encyclopedia For Children - Human Body : Heart And Circulatory System by

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. Learning can be fun!
Binding: Paperback