Demonstrating how specialist cameramen filmed extraordinary sequences inside the human body.
Cameras see inside a heart as it undergoes cardiac arrest; a patient who appears to die briefly during a routine heart bypass surgery.
Aging processes cause declines in physical, sensual and intellectual capacities.
A state-of-the-art medical scanner views the inside of Professor Winston's brain as he listens to music.
Puberty and adolescence transform children into adults ready for life on their own.
The first four years of life see miraculous changes and growth.
Two couples' experiences illustrate pregnancy and birth.
Robert Winston examines the complexity of human life cycles.