How did the passion flower get its name? When the first Christian missionaries landed in South America in the sixteenth century, they found a plant which seemed to be a very good omen for the success of their mission. They called it the passion flower because they thought that it symbolised the death of Christ.
Astronauts actually grow 2 to 3 inches taller (5 to 8 centimeters) when they are in space! The stretching can cause them some pain; many astronauts have back pain while they are in space and the stretching can potentially injure nerves. Expedition 10 Crewmembers onboard the International Space Station.
Astronauts in microgravity must exercise regularly to minimize atrophy of their limb muscles. There are many diseases and conditions which cause atrophy of muscle mass. For example diseases such as cancer and AIDS induce a body wasting syndrome called  cachexia , which is notable for the severe muscle atrophy seen.