View Spread My Heart & Blood Explains the circulatory system and how the heart pumps blood through arteries and veins in the human body. Discusses the role of blood in carrying nutrients and collecting waste. Looks at white blood cells and how they help bodies heal. RL Grades 1-2 IL Grades 1-2 Details: Product type: Paperback Book ISBN: 978-0-7614-3353-8 Author: Dana Meachen Rau Copyright: 2008 Reading Level: Grades 1-2 Interest Level: Grades 1-2 Paperback Book — $9.23 / $7.85