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Emma Ross, Head of Physiology at the English Institute of Sport, explains what happens to the body while running a marathon.
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Watch video What happens to the body during a Marathon online without registration, duration hours minute second in high quality. This video was added by user Olympics 20 April 2015, don't forget to share it with your friends and acquaintances, it has been viewed on our site 2,227,11 once and liked it 18 thousand people.