NORDICS: Blonde, Blue-Eyed, Angular Faces. Although Nordics are humanoid and externally almost identical to humans. There are subtle differences in the Nordic alien physiology, and most of them are based on the living conditions that they have grown up in. Their planets are extremely hot and dry, and have a low oxygen content in the atmosphere. They have a larger lung capacity than humans and have a copper based blood in order to carry oxygen more efficiently. The eyes are p