Also called freight ton . a unit of volume for freight that weighs one ton, varying with the type of freight measured, as 40 cubic feet of oak timber or 20 bushels of wheat. 3. metric ton. 4. displacement ton. 5. a unit of volume used in transportation by sea, commonly equal to 40 cubic feet (1.13 cu. m).
When in a biological process, less specialized cells evolves into more specialized ones, the process is called as cell differentiation. This process is mostly seen in multicellular organisms.
Cellular respiration is a process wherein cells try to use up and break down various substances and particles from food items and convert them to usable energy. Without this process, the various cells in the body will not have the energy needed to perform their functions. Cells that help muscles contract for example will not be able to perform this important function if they do not undergo cellular respiration.