Incredible Human MachineVideo Cassette - 1975
Takes you and your family on a journey through the wonderous inner world of the incredible Human Machine. Explore the fascinating, microscopic universe that exists within us all. How does the eye adjust to changes in light? How do our muscles enable us to move? How does the eardrum process sound? With the help of sophisticated photographic techniques you are now able to discover the wonders of this internal world and the marvel of the human machine.
Publisher: [Washington, D.C.] : National Geographic Society, c1975.
Characteristics: 1 videocassette (VHS) (52 min.) :,sound, color ;,1/2 in.