# Excretory systems in animals.

Author and editor, George Vuke; photographers, George Vuke, Tom Held Compares the excretory systems of a variety of phyla. Points out principal excretory organs and shows the excretory organs in a dissected dog Summary Discusses the excretory organs of animals, including the paramecia, amoebae, hydra, planaria, earthworm, grasshopper, crayfish, frog and dog.

- Kind: Educational
- Year: 1971
- Runtime: 16 min
- By: Indiana University, Bloomington. Audio-Visual Center
- Genres: Education, Nature, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/excretorysystemsinanimals)
- Licence or status: none stated by the archive
- Who can watch: Kids profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/excretorysystemsinanimals?play=1)