Mechanics of Life: Breathing and Respiration 4.0 from 0 reviews
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Organisms with very small volumes, such as amoebae, can get the oxygen they need through their own membranes. Larger organisms have more developed respiratory system.

Phoenix Learning Group, 2349 Chaffee Dr., St. Louis, MO 63146, Phone: (314)569-0211, Toll-free: 800-221-1274, Fax: (314)569-2834, URL:

Available on Running time 9 minutes.

Cast and Crew

Respiratory System
Ethen Films Ltd.

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