It is always a bitof gamble when it comes to the design of a space suit because no one knows whatcould be the conditions in the space environment. Astronauts use the space suitduring their period of visit to space. Outer space is an extreme hostile placeand if a person were to step outside without the space suit, the followingthings might happen:

   In the absenceof oxygen a human being could become unconscious within 15 seconds

   Human bloodcould boil and then freeze at low or no air pressure

   Body tissuescould expand in space

   The personcould face extreme change in temperature

   Exposure tovarious types of radiation

   Encounter withsmall particles of dust or rocks that move at high speed

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