When talking about the digestive system, a few topics must be covered: vomit, the intestines, and poop! All readers can enjoy these and many more topics about the grossest of the body systems in this friendly, fun fact format. From the mouth and esophagus to the small and large intestine, readers take a journey through the human body via the digestive tract, and enjoy learning about processes the digestive system does without us even knowing. The...