Libraries Film Archive

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Digestive Systems in Animals [motion picture] Indiana U Audio-Visual Center

Indiana U Instructional Support Ser 1971
Brief Annotation:
Shows the variety of ways animals obtain food and their different types of digestive cavities--fully closed, one opening, and two openings. Examines digestive organs in an earthworm, grasshopper, frog, cat, and bird. Looks at peristalsis in a dog's stomach and the action of the villi in a pigeon's small intestine.
Publication Date: