The Wonders of the Human Body Volume 2: Cardiovascular & Respiratory Systems is an introduction to the balance and complexity found in the body, all of which points to the Creator! This easy-to-read book explores the cardiovascular and respiratory systems, from the cellular level to the organs themselves, including how the human heart is 'two pumps in one,' how blood moves through arteries and veins, what blood pressure is, how we get 'bad air' out and 'good air' in, and more. Engaging chapters feature many full-color photographs, diagrams, charts, and illustrations with interesting sidebars and health tips. Junior High / Grades 6-8. 112 pages, hardcover.