Exchange Of Gases In Plants And Animals

Creator: BENCHMARK FILMS INC 145 SCARBOROUGH RD BRIARCLIFF MANOR NY 10510

Format: 16mm

Sound: sound

Description: Shows how different species take on oxygen or carbon dioxide and in turn release carbon dioxide or oxygen as waste. Looks at how this process works with mitochondria, plants, protozoa, hydra, air and water insects, earthworms, fish, reptiles, salamander, frogs, lizards, mmmals, birds and man.