Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan Universitv Digestive system (Alimentary system gestive canal From mouth to stomach Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan UniversityCopy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Digestive system (Alimentary system) Digestive canal From mouth to stomach