Digestive systems in animals
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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.
Sources
- 16mm Filmography (legacy record) — title, year, description, catalog record
Original permalink · Record added 2025-04-19 22:01:45