At the same time that people breathe, they also digest food, circulate blood, move, think, and do so much more. But how? As space explorer Zork discovers, one system directs all the parts of the human body - the nervous system, which consists of the brain, spinal cord, and a vast network of nerves and sensory receptors. Though composed of cells like everything else in the body, the nervous system allows humans to perform uncountable conscious and unconscious acts at the same time. This animated adventure teaches youngsters how the body senses internal and external stimuli. It also shows them where the brain, spinal cord and nerves are located, how they function, and what they look like.Part of the animated series "Our Wonderful Body", featuring Zork, a space creature with a very inquisitive mind and a talent for getting into humorous situations. Fascinated by human beings, Zork wants to know how people breathe, move and grow. He wants to understand how their hearts work and how they digest their food. Often, his inquisitive nature leads him to wrong conclusions and comical misunderstandings, all of which captivate young audiences and make it more fun to learn about the human body. Produced by Christianson Productions, Inc. A Coronet release.(For Home Use Only)This product is manufactured on demand using DVD-R recordable media. Amazon.com's standard return policy will apply.