An overview of the anatomy and workings of the digestive system is given. Intestinal tract, mouth and oesphaegus, salivary glands, action of saliva, swallowing. Stomach; structure, action of gastric juice, cineradiography of stomach. Pancreas. Liver. Gall bladder. Small intestine. Large gut.-- from Catalogue of films and videos in the British Medical Association Library, 1993.