Germs and What They Do

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Space explorer Zork learns that because of germs, tiny creatures that can get inside the body, earth people get sick. He sees how the body is able to keep most germs out and how it can destroy the germs that do get in. Along with Zork, viewers will learn about contagious diseases and immunization shots, as well as about good health habits that help earth people to prevent germs from infecting their bodies.