William Harvey improved our knowledge of human anatomy and added greatly to our understanding of the heart as a pump. He showed that veins contain valves so that blood always flows in the same direction.
In 1972, watched by a huge new primetime television audience, the unknown 17 year old from the Soviet Union was a sensation. Never before had the Olympics seen a gymnast like this -- small, supple and smiling. Her floor exercise captured hearts with its impish charm and Olga's own childlike delight in her performance.
.Usain Bolt beats Justin Gatlin in 9.79 at the 2015 Athletics World Championships Beijing.
Cristiano Ronaldo races against professional sprinter Angel David Rodríguez,
2008, Berlin, Germany, the 35th IAAF Marathon, Haile Gebrselassie of Ethiopia won for the third straight time, breaking the world record yet again at two hours, three minutes, and 59 seconds.
Made by Year 7 ....for Year 7
Bones and movement
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