Breathing
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Begins with experiments in the chemical processes of burning and oxygenation. Shows that oxygen is essential for life and shows various methods of recording the inhalation and exhalation of breath.
Related films
Sources
- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, creator, length, format, sound, description
- 16mm Filmography (legacy record) — year, creator, catalog record
Original permalink · Record added 2023-02-27 02:05:40