a tube from mouth to anusThe digestive system in mammalsAlimentary canalDigestive glandsthey produce enzymes for digestion

The alimentary canal

Digestive glandssalivary glandsgastric gland liverpancreasintestinal glandsalivabilegastric juicepancreatic juiceintestinal juice

Human digestive system

Digestive system of a ratlarge intestinesmall intestineliverstomach

Peristalsismuscle in front of the food bolus relaxesmuscle behind the food bolus contracts food bolus is pushed along the gutThe rhythmic contraction and relaxation of the muscles of the gut wall to move food along the alimentary canal

transports fats and glucoseincrease surface area for absorptionone cell thickwith blood capillariesand a lactealStructure and function of a villusvillusmuscle walllacteal

SummaryThe digestive systemis the system of organs that are involved in the process of digestionis made up of the alimentary canal and associated glandsMovement of food along the alimentary canalby peristalsisAbsorption of digested foodby villi