The problem is that the human condition in space space devoid of weight. 1. If the feeble condition for a long time will make your muscles exert less than normal. Make the muscle and causes the liquid lip straightforward Czech pub in the body moves from the bottom to the upper body. 2. low pressure and high temperature conditions. External pressure lower blood pressure in the body, so much blood, and to death. In addition, in space, the high temperature and radiation, various. Astronaut must exercise regularly to keep your muscles healthy. Not lip muscles and allows the blood pump system works the same as in normal conditions.
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