Cells are the basic unit unit of life, therefore, composing everything in an organism's body.
Everything start from a single cell. Cells with the same specialized functions then gather to form a tissue, which later on forms each organs in the body. the organs work together and become a whole new system which, obviously, is what we now call the organ system.
TABS: They appear across the top of the Ribbon and contain groups of related commands. Home, Insert, Page Layout are example of ribbon tabs. Groups: They organize related commands; each group name appears below the group on the Ribbon.
Organization management refers to the art of getting people together on a common platform to make them work towards a common predefined goal. Organization management enables the optimum use of resources through meticulous planning and control at the workplace.