What's the largest organ in your body? It accounts for 15% of your body weight! It's your skin, and it is part of your integumentary system. Inside this product, you will learn all about this fascinating system while creating a 3-folder Lapbook that will give you a 3-dimensional record of your study. All instructions, templates, and resources are included ~ No other books required! Comprehensive Study Guide included! This ebook format includes a downloadable PDF file. Just follow the instructions, cut, fold, glue, and create!