Digestive System of Rattus Norvegicus (With Diagram) | Zoology

The digestive system of Rattus norvegicus is constituted by the alimentary canal and the digestive glands (Fig. 1.143). (i) Alimentary Canal: It is a long tube star­ting from mouth to anus. But the tube is demarked into different regions. The func­tion of each region is different. (a) Mouth: The alimentary canal begins from the mouth. It is a transverse aperture [...]