1 The cell is the basic unit of all forms of life. However, there are several levels of cell organization within many multicellular organisms. Cells are arranged in hierarchical levels of organization.  The lowest form of organization is the cell followed by tissues, organs, and organ systems.
Distance between Kannur to Kottayam is 326 km by Road and 342 km by Rails. Aerial distance is 283 km.
The driving distance between Chennai and Cuttack is 1258 km, while the aerial distance from Chennai to Cuttack is 1020 km.By Train it is 1251 Km.