Article Images Living in space   Behind him, in his space suit, is Gherman Titov, the back-up pilot of Vostok 1 spacecraft and pilot of the Vostok 2 mission launched in August 6, 1961.   Even in space - you have to brush your teeth! The body     ESA astronaut Jean-Pierre Haigneré returned to earth on Saturday 28 August 1999 after a six month stay on board the Russian space station Mir. He landed in Kazakhstan, bringing to an end the fifth French-Russian mission named Perseus and making him the non-Russian astronaut to have spent the longest time in space during one spaceflight. During the flight (20 February-28 August 1999), Haigneré carried out scientific research on behalf of the French space agency CNES. He made one spacewalk outside Mir on 16 April to collect experiment samples. Heart, circulation and body fluids     The human heart, and its location within the rib-cage, as illustrated in a 19th Century Encyclopedia Bones and muscle     STS-100 mission specialist representing the European Space Agency (ESA), works out on a bicycle ergometer on the mid deck of the Space Shuttle Endeavour. photo: NASA Psychology     The human brain, as illustrated in a 19th Century Encyclopedia Last update: 23 September 2004