Effect of spaceflight on the human body. Humans venturing into the environment of space can have negative effects on the body. Significant adverse effects of long-term weightlessness include muscle atrophy and deterioration of the skeleton (spaceflight osteopenia).
Baby names meanings search results: The name Willow is a baby girl name. The name Willow comes from the English origin. In English The meaning of the name Willow is: Slender;graceful.From the willow tree noted for slender graceful branches and leaves.ame Information Boy or Girl ?: girl Origin of name: English Meaning: Slender;graceful. From the willow tree noted for slender graceful branches and leaves. Expression number: 4 SoulUrge Number: 6 Average Visitor Rating: 4.62 (Out of 5) Number of ratings: 80.
Taken from the name of the plant having very small scale-like leaves and purplish-pink flowers. The word is derived from the Old English haddyr (heather, plants of the heath family).From A World of Baby Names by Teresa Norman.eanings and history of the name Heather : | Edit. The girl's name Heather \he(a)-ther\ is pronounced HEH-ther. It is of Middle English origin.