Messages pass along the nerves of the body at speeds of up to 70 m.p.h.
Professor W. S. Bullough shows how the body is co-ordinated by the nervous system to act as a whole.
For Schools
Repeated on Thursday at 11.5 a.m.
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Messages pass along the nerves of the body at speeds of up to 70 m.p.h.
Professor W. S. Bullough shows how the body is co-ordinated by the nervous system to act as a whole.
For Schools
Repeated on Thursday at 11.5 a.m.
