Explore the amazing side of the science behind the human body with this remarkable guide. Produced in assocation with Discovery Channel, this title focuses on the awesome human body. From skin cells to the brain and blood supply, the dramatic, action-packed text, astounding facts, thrilling photography and dynamic design will inform and enthrall. Discover: how humans lose 40000 skin cells every minute ; how the brain needs 20% of the body's blood supply and why magnets can see inside the human body.