dewey decimal redirects here it is not to be confused with duodecimal the dewey decimal classification ddc or dewey decimal system is a proprietary library classification system first published in the united states by melvil dewey in 1876
physical geography The scientific study of the natural features of the Earth's surface, especially in its current aspects, including land formation, climate, currents, and distribution of flora and fauna. Also called physiography.
Gross anatomy is the study of structures large enough to be seen with the naked eye, and also includes superficial anatomy or surface anatomy, the study by sight of the external body features. Microscopic anatomy is the study of structures on a microscopic scale, including histology (the study of tissues), and embryology (the study of an organism in its immature condition).