The natural world is the environment for the development and continuation of human life. At the same time, as a productive labor in the process of material exchange between humans and nature, it is the starting point for the formation and development of human social relations; it is in the labor of processing nature that people relations between humanity-the relationship of production, and the formation of complex social relationships such as ethnic relations, family relations and class relations.
So?
 Man is part of the natural world, because man is also animal