Heart and Blood

This captivating, informative series explores a subject that young readers always find fascinating: how the body works. Twenty-one double-page spreads, filled with full-color photos and diagrams and lively, easy-to-read text, focus on the amazing abilities and functions of the major body systems. 'The Heard and Blood' introduces readers to the concepts of circulation and immunization, and explores the vital connection between the heart and blood and the other body systems.