The Minerals of Life
In addition to organic elements, living beings are necessarily composed also of inorganic elements such as calcium, iron and cooper. This program analyzes the ways in which these inorganic substances behave, and what their function is in maintaining life. Bulk elements, including calcium, sodium and phosphorous salts, serve as structural materials to build bones, link cells, and activate nerves. Trace elements, existing in minute quantities throughout the system, include the iron, cooper, nickel and zinc which are found in the blood, or in the chlorophyll of green plants. Experiments and demonstrations of the ways in which minerals behave in living things form part of the program.
Department of Cinema, University of Southern California; Dr. Paul Saltman; David Johnson; Richard Harber; Daniel Wiegand; Ken Miura; Allen Porter; Elmer Bernstein; Saul Bass
National Educational Television; Indiana University Audio-Visual Center
Elements ; Minerals.
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