Our body cells are bounded by tough, invisible membranes which react to water by turning into the double-layered bags upon which all life depends. This program highlights recent scientific discoveries about these simple bags.
Home Vision Cinema, c/o Image Entertainment, 20525 Nordhoff St., Ste. 200, Chatsworth, CA 91311, URL: http://www.homevision.com
Available on VHS
Running time 50 minutes.
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