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The Human Body: Secrets of Your Life Revealed

Series 1

Episode 1: Grow

Duration: 58 minutes

on BBC Two HD

Chris and Xand van Tulleken explore the latest understanding of how we all grow and uncover the reason our childhood is longer than any other creature on Earth. Show more

BBC Two HD

About BBC Two

BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.