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).
Meaning of Willow. English name. In English, the name Willow means-from the willow tree.The name Willow originated as an English name. The name Willow is most often used as a girl name or female name.English Name Meaning-from the willow tree.he name Willow is most often used as a girl name or female name. English Name Meaning-from the willow tree.
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.