Libraries Film Archive

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

Indiana U Instructional Support Ser 1971
Brief Annotation:
Illustrates the excretory systems of various animals, including the paramecium, amoeba, hydra, planaria, earthworm, grasshopper, crayfish, frog, and dog. Explains that the paramecium, amoeba, hydra, and planaria excrete carbon dioxide and ammonia by diffusion. Uses animated drawings to clarify the function of the nephrons in the kidneys.
Publication Date: