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.
Origin of the name Jessica: Of uncertain derivation and meaning, Jessica might be an elaboration of Jessie, which was originally a pet form of Janet and Jean. Alternatively, it can be interpreted as an elaborated feminine form of Jesse, which is derived from the Hebrew yÄ«shai (gift). From A World of Baby Names by Teresa Norman.