Download or read book Look Inside: Your Heart and Lungs written by Ben Williams and published by Teacher Created Materials. This book was released on 2011-12-01 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn all about the incredible things your heart, lungs, arteries, and circulatory system do and how to keep them healthy and strong! With vibrant images and informational text in conjunction with supportive diagrams and stimulating facts, readers are introduced to basic biology and vocabulary.