The cell is the basic functional and structural unit of life, it is the simplest and smallest unit of organization in the human body.
Relating the level of human organization to the organizational level of a city, Cells in the human body is most synonymous with each individual person in a city.
As cells combine to form tissues, each individual could also combine to form a group who work together to attain a certain and specific goal.
Therefore, cells in the human body relates to individuals in a city.
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