From the Book - Regular Print
[cassette 1] Circulatory system : the plasma pipeline
[cassette 2] Digestive system : your personal power plant
[cassette 3] Brain and nervous system : your information superhighway
[cassette 4] Skeletal system : the infrastructure
[cassette 5] Muscular system : the inner athlete
[cassette 6] Respiratory system : intake and exhaust.