The Lungs and Respiratory System
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Complete catalog record
Describes the structure and functions of the human respiratory system and explains how the exchange of oxygen and carbon dioxide gases takes place in the lungs. For elementary grades.
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Sources
- 16mm Filmography (legacy record) — title, year, catalog record
- 16mm Filmography editors — creator
Original permalink · Record added 2024-09-08 10:12:14