Overview Product Description Explains how the digestive system turns meals into energy, nutrients, and waste. Product Videos Custom Field Author Seymour Simon Binding Paperback Product Reviews Write a Review Write a Review × Guts: Our Digestive System by Seymour Simon Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *