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.
Meaning of Heather. English name. In English, the name Heather means-a flowering plant.The name Heather originated as an English name. The name Heather is most often used as a girl name or female name.English Name Meaning-a flowering plant.Origin-England. Global Star Registery-Name a star after someone special!n English, the name Heather means-a flowering plant.The name Heather originated as an English name. The name Heather is most often used as a girl name or female name. English Name Meaning-a flowering plant. Origin-England. Global Star Registery-Name a star after someone special!