After a long time, after living in space, passenger bones and muscles are weak. In such a situation, many changes appear in his body. In space, due to the absence of the wind and the grace, the space passengers do not feel bad in space. The upper skin of their feet are eliminated and their feet soften like children, so they have difficulty walking. In addition to Baby Fert, they face the problem of loss of bone density. Due to the lack of gravity, their bone density (bone density) ends and bones weaken. This can be a threat of bone fractures.
 "Astronaut start walking after coming back from space")
