Effect of spaceflight on the human body of muscle fibre prominent in muscles also change. Slow twitch endurance fibres used to maintain posture are replaced by fast twitch rapidly contracting fibres that are insufficient for any heavy labour. Advances in research on exercise, hormone supplements and medication may help maintain muscle and body mass. Bone metabolism also changes. Normally, bone is laid down in the direction of mechanical stress. However, in a microgravity environment there is very little mechanical stress. This results in a loss of bone tissue approximately 1.5% per month especially from the lower vertebrae, hip and femur. Due to microgravity and the decreased load
What Is the Fastest Thing in the World? owner. She called out which was the rightful owner, and the king said she had meddled and must go home. She asked him to eat one last meal with her, and then she drugged it. When he was asleep, she put him in the carriage and went home. When the king woke, she told him she was entitled to him, because she valued him most of everything in the castle. The king took her back to the castle and gave her the right to judge all his affairs. What Is the Fastest Thing in the World? What Is the Fastest