The astronaut does not receive enough oxygen to cause symptoms or may trance crisis due to lack of oxygen. Effect of brain cell, so the astronaut in the bedroom of the astronaut must use a fan to blow air to explode at any time.
The astronauts do not get sufficient oxygen. As a result, drowsiness Or potential hypoxia Affects the brain of an astronaut. Thus, in the bedroom of the astronauts had to use a fan to distribute the air all the time.
The astronauts did not receive sufficient oxygen. As a result, cause dizziness or potential major lack of oxygen. Affect the brain cells of the astronaut.