Stinky. Smelly. Scary? Yep! Farts and burps can be a healthy part of digestion. But studying flatulence can be weird and disgusting. Imagine fish that fart to communicate or insects that use their digestive gases as secret poisonous weapons. Featuring the latest scientific research, this humorous hi-lo book dives into the gross and weird findings of digestive research.Witty text sparks interest in STEM, with fun facts, career features, and critical thinking questions to deepen understanding. Plus, a table of contents, glossary with pronunciations, further resources, and an index enhance comprehension.