In sociology and psychology, some definitions include only consciously malignant forms of discrimination. Some definitions of racism also include discriminatory behaviors and beliefs based on cultural, national, ethnic, caste, or religious stereotypes.
A cell is much, much larger than an atom. A typical animal cell might be 10,000 times as wide, long, and tall as a typical atom, or about 1 trillion times the volume of an atom. Another way to arrive at this answer is to consider the fact that cells are made up of atoms, so the atoms must therefore be smaller.
A cell is the smallest part of any living thing. There are many parts of a cell. Each part of a cell completes a certain function for the cell. All cells include the following parts: Cell Membrane - forms the outer boundary of the cell and allows only certain materials to move into or out of the cell.