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The Human Body: Secrets of Your Life Revealed

Series 1

Episode 2: Survive

Duration: 58 minutes

on BBC Four

Chris and Xand van Tulleken look at what keeps the human body alive, including reflexes, damage repair mechanisms and the immune system. Show more

BBC Four

About BBC Four

BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.