The Heart: All about Our Circulatory System and More! (Smithsonian-science)
The Heart: Learning How Our Blood Circulates (3-D Library of the Human Body)
Learning Resources Heart Model
Learning Resources Cross-Section Human Heart Model
The Heart: The Questions and Answers Book for Kids
How Does Your Heart Work? (Rookie Read-About Health)
The Magic School Bus Has a Heart (Scholastic Reader, Level 2)
My Bodyworks: Songs About Your Bones, Muscles, Heart And More!
The Amazing Circulatory System: How Does My Heart Work? (Slim Goodbody's Body Buddies)
Amazing Body
Anatomy of the Human Heart Rubber Stamper Set: I Stamp and Teachers Guide
Hear Your Heart (Let's-Read-and-Find-Out Science 2)
Head to Toe Science: Over 40 Eye-Popping, Spine-Tingling, Heart-Pounding Activities That Teach Kids about the Human Body
My Heart and Blood (Bookworms What's Inside Me?)
Learning Resources Human Body Model
The Heart (Human Body Systems)
The Heart (The Human Body)
SmartLab Toys Squishy Human Body
My Heart (My Body)
Blood and Goo and Boogers Too: A Heart-pounding Pop-up Guide to the Circulatory & Respiratory Systems