National Geographic: The Incredible Human Machine [DVD] [English] [1975]

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National Geographic: The Incredible Human Machine
You and your family can travel on an amazing journey through the inner world of the human body. Have you ever wondered how your taste buds or vocal cords look at close range? How your eardrum processes sound? How are your muscles able to move in so many ways? Or how does your eye adjust to changes in light? Tiny cameras explore up close the internal workings of the human body in this crash course in human physiology. Though made in 1975, the visual effects created by x-rays, microscopes, and time-lapse photography still fascinate in this exploration at the microscopic level. ~ Gayla Mills, Rovi

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