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.
A member of the willow family (Salicaceae), the willow genus (Salix spp.) is a cosmopolitan genus that consists of approximately 300 species of deciduous trees and shrubs. The willow family also contains the cottonwood genus (Populus spp.), a small genus that only contains two species.