Articles > Alimentary canal definition – quiz Alimentary canal definition – quiz Quiz Choose the best answer. 1. The alimentary canal is part of which biological system? Nervous system Excretory system Digestive system 2. All of the following occurs in the alimentary canal except for ... Drug metabolism Digestion of substances Exchange of respiratory gases 3. Part of the alimentary canal where food is ingested Oral cavity Transport passage Digestive tract 4. The esophagus, i.e. between the pharynx and the stomach Oral cavity Transport passage Digestive tract 5. The innermost layer that lines the lumen of the alimentary canal Mucosa Lamina propria Muscularis mucosa Send Your Results (Optional) Your Name To Email Time is Up!